| Acanthodium Delile | Blepharis Juss. | | | Acanthodium Delile | Blepharis Juss. | Acanthaceae |
| Acanthopale C. B. Clarke | | a | | Acanthopale C. B. Clarke | | Acanthaceae |
| Acanthopsis Harv. | | a | | Acanthopsis Harv. | | Acanthaceae |
| Acanthostelma Bidgood & Brummitt | | a | | Acanthostelma Bidgood & Brummitt | | Acanthaceae |
| Acanthura Lindau | | a | | Acanthura Lindau | | Acanthaceae |
| Acanthus L. | | a | | Acanthus L. | | Acanthaceae |
| Acelica Rizzini | Justicia L. | | | Acelica Rizzini | Justicia L. | Acanthaceae |
| Achyrocalyx Benoist | | a | | Achyrocalyx Benoist | | Acanthaceae |
| Adelaster Lindl. ex Veitch | Fittonia Coem. | | | Adelaster Lindl. ex Veitch | Fittonia Coem. | Acanthaceae |
| Adenacanthus Nees | Strobilanthes Blume | | | Adenacanthus Nees | Strobilanthes Blume | Acanthaceae |
| Adenostachya Bremek. | Strobilanthes Blume | | | Adenostachya Bremek. | Strobilanthes Blume | Acanthaceae |
| Adhatoda Mill. | Justicia L. | | | Adhatoda Mill. | Justicia L. | Acanthaceae |
| Aechmanthera Nees | Strobilanthes Blume | | | Aechmanthera Nees | Strobilanthes Blume | Acanthaceae |
| Afrofittonia Lindau | | a | | Afrofittonia Lindau | | Acanthaceae |
| Amathea Raf. | Aphelandra R. Br. | | | Amathea Raf. | Aphelandra R. Br. | Acanthaceae |
| Ambongia Benoist | | a | | Ambongia Benoist | | Acanthaceae |
| Amphiestes S. Moore | Hypoestes Sol. ex R. Br. | | | Amphiestes S. Moore | Hypoestes Sol. ex R. Br. | Acanthaceae |
| Amphiscopia Nees | Justicia L. | | | Amphiscopia Nees | Justicia L. | Acanthaceae |
| Ancalanthus Balf. f., orth. var. | Angkalanthus Balf. f. | | | Ancalanthus Balf. f., orth. var. | Angkalanthus Balf. f. | Acanthaceae |
| Ancistranthus Lindau | | a | | Ancistranthus Lindau | | Acanthaceae |
| Ancylacanthus Lindau | Ptyssiglottis T. Anderson | | | Ancylacanthus Lindau | Ptyssiglottis T. Anderson | Acanthaceae |
| Androcentrum Lem. | Bravaisia DC. | | | Androcentrum Lem. | Bravaisia DC. | Acanthaceae |
| Andrographis Wall. ex Nees | | a | | Andrographis Wall. ex Nees | | Acanthaceae |
| Angkalanthus Balf. f. | | a | | Angkalanthus Balf. f. | | Acanthaceae |
| Anisacanthus Nees | | a | | Anisacanthus Nees | | Acanthaceae |
| Anisostachya Nees | Justicia L. | | | Anisostachya Nees | Justicia L. | Acanthaceae |
| Anisotes Nees | | a | | Anisotes Nees | | Acanthaceae |
| Anthacanthus Nees | Oplonia Raf. | | | Anthacanthus Nees | Oplonia Raf. | Acanthaceae |
| Antheliacanthus Ridl. | Pseuderanthemum Radlk. | | | Antheliacanthus Ridl. | Pseuderanthemum Radlk. | Acanthaceae |
| Apassalus Kobuski | | a | | Apassalus Kobuski | | Acanthaceae |
| Aphanandrium Lindau | Neriacanthus Benth. | | | Aphanandrium Lindau | Neriacanthus Benth. | Acanthaceae |
| Aphanosperma T. F. Daniel | | a | | Aphanosperma T. F. Daniel | | Acanthaceae |
| Aphelandra R. Br. | | a | | Aphelandra R. Br. | | Acanthaceae |
| Aphelandrella Mildbr. | Aphelandra R. Br. | | | Aphelandrella Mildbr. | Aphelandra R. Br. | Acanthaceae |
| Aphragmia Nees | Ruellia L. | | | Aphragmia Nees | Ruellia L. | Acanthaceae |
| Apolepsis (Blume) Hassk. | Lepidagathis Willd. | | | Apolepsis (Blume) Hassk. | Lepidagathis Willd. | Acanthaceae |
| Arrhostoxylum Nees | Ruellia L. | | | Arrhostoxylum Nees | Ruellia L. | Acanthaceae |
| Ascotheca Heine | | a | | Ascotheca Heine | | Acanthaceae |
| Asteracantha Nees | Hygrophila R. Br. | | | Asteracantha Nees | Hygrophila R. Br. | Acanthaceae |
| Asystasia Blume | | a | | Asystasia Blume | | Acanthaceae |
| Asystasiella Lindau | Asystasia Blume | | | Asystasiella Lindau | Asystasia Blume | Acanthaceae |
| Aulojusticia Lindau | Justicia L. | | | Aulojusticia Lindau | Justicia L. | Acanthaceae |
| Averia Leonard | Tetramerium Nees | | | Averia Leonard | Tetramerium Nees | Acanthaceae |
| Ballochia Balf. f. | | a | | Ballochia Balf. f. | | Acanthaceae |
| Baphicacanthus Bremek. | Strobilanthes Blume | | | Baphicacanthus Bremek. | Strobilanthes Blume | Acanthaceae |
| Barleria L. | | a | | Barleria L. | | Acanthaceae |
| Barleriacanthus Oerst. | Barleria L. | | | Barleriacanthus Oerst. | Barleria L. | Acanthaceae |
| Barlerianthus Oerst. | Barleria L. | | | Barlerianthus Oerst. | Barleria L. | Acanthaceae |
| Barleriola Oerst. | | a | | Barleriola Oerst. | | Acanthaceae |
| Barleriosiphon Oerst. | Barleria L. | | | Barleriosiphon Oerst. | Barleria L. | Acanthaceae |
| Barlerites Oerst. | Barleria L. | | | Barlerites Oerst. | Barleria L. | Acanthaceae |
| Beloperone Nees | Justicia L. | | | Beloperone Nees | Justicia L. | Acanthaceae |
| Benoicanthus Heine & A. Raynal | | a | | Benoicanthus Heine & A. Raynal | | Acanthaceae |
| Bentia Rolfe | Justicia L. | | | Bentia Rolfe | Justicia L. | Acanthaceae |
| Berginia Harv. | Holographis Nees | | | Berginia Harv. | Holographis Nees | Acanthaceae |
| Blechum P. Browne | Ruellia L. | | | Blechum P. Browne | Ruellia L. | Acanthaceae |
| Blepharacanthus Nees ex Lindl. | Blepharis Juss. | | | Blepharacanthus Nees ex Lindl. | Blepharis Juss. | Acanthaceae |
| Blepharis Juss. | | a | | Blepharis Juss. | | Acanthaceae |
| Borneacanthus Bremek. | | a | | Borneacanthus Bremek. | | Acanthaceae |
| Boutonia DC. | | a | | Boutonia DC. | | Acanthaceae |
| Brachystephanus Nees | | a | | Brachystephanus Nees | | Acanthaceae |
| Bravaisia DC. | | a | | Bravaisia DC. | | Acanthaceae |
| Bremekampia Sreem. | Haplanthodes Kuntze | | | Bremekampia Sreem. | Haplanthodes Kuntze | Acanthaceae |
| Brillantaisia P. Beauv. | | a | | Brillantaisia P. Beauv. | | Acanthaceae |
| Brochosiphon Nees | Dicliptera Juss. | | | Brochosiphon Nees | Dicliptera Juss. | Acanthaceae |
| Brunoniella Bremek. | | a | | Brunoniella Bremek. | | Acanthaceae |
| Buceragenia Greenm. | Pseuderanthemum Radlk. | | | Buceragenia Greenm. | Pseuderanthemum Radlk. | Acanthaceae |
| Butayea De Wild. | Sclerochiton Harv. | | | Butayea De Wild. | Sclerochiton Harv. | Acanthaceae |
| Buteraea Nees | Strobilanthes Blume | | | Buteraea Nees | Strobilanthes Blume | Acanthaceae |
| Calacanthus T. Anderson ex Benth. & Hook. f. | | a | | Calacanthus T. Anderson ex Benth. & Hook. f. | | Acanthaceae |
| Calliaspidia Bremek. | Justicia L. | | | Calliaspidia Bremek. | Justicia L. | Acanthaceae |
| Calophanes D. Don | Dyschoriste Nees | | | Calophanes D. Don | Dyschoriste Nees | Acanthaceae |
| Calophanoides (C. B. Clarke) Ridl. | Justicia L. | | | Calophanoides (C. B. Clarke) Ridl. | Justicia L. | Acanthaceae |
| Calycacanthus K. Schum. | | a | | Calycacanthus K. Schum. | | Acanthaceae |
| Calymmostachya Bremek. | Justicia L. | | | Calymmostachya Bremek. | Justicia L. | Acanthaceae |
| Camarotea Scott-Elliot | | a | | Camarotea Scott-Elliot | | Acanthaceae |
| Cardanthera Buch.-Ham. ex Benth. & Hook. f. | Hygrophila R. Br. | | | Cardanthera Buch.-Ham. ex Benth. & Hook. f. | Hygrophila R. Br. | Acanthaceae |
| Cardiacanthus Nees & S. Schauer | Carlowrightia A. Gray | | | Cardiacanthus Nees & S. Schauer | Carlowrightia A. Gray | Acanthaceae |
| Carlowrightia A. Gray | | a | | Carlowrightia A. Gray | | Acanthaceae |
| Carvia Bremek. | Strobilanthes Blume | | | Carvia Bremek. | Strobilanthes Blume | Acanthaceae |
| Celerina Benoist | | a | | Celerina Benoist | | Acanthaceae |
| Centrilla Lindau | Justicia L. | | | Centrilla Lindau | Justicia L. | Acanthaceae |
| Cephalacanthus Lindau | | a | | Cephalacanthus Lindau | | Acanthaceae |
| Chaetacanthus Nees | Dyschoriste Nees | | | Chaetacanthus Nees | Dyschoriste Nees | Acanthaceae |
| Chaetochlamys Lindau | Justicia L. | | | Chaetochlamys Lindau | Justicia L. | Acanthaceae |
| Chaetothylax Nees | Justicia L. | | | Chaetothylax Nees | Justicia L. | Acanthaceae |
| Chaetothylopsis Oerst. | Justicia L. | | | Chaetothylopsis Oerst. | Justicia L. | Acanthaceae |
| Chalarothyrsus Lindau | | a | | Chalarothyrsus Lindau | | Acanthaceae |
| Chamaeranthemum Nees | | a | | Chamaeranthemum Nees | | Acanthaceae |
| Chameranthemum Nees, orth. var. | Chamaeranthemum Nees | | | Chameranthemum Nees, orth. var. | Chamaeranthemum Nees | Acanthaceae |
| Championella Bremek. | Strobilanthes Blume | | | Championella Bremek. | Strobilanthes Blume | Acanthaceae |
| Champluviera I. Darbysh. et al. | | a | | Champluviera I. Darbysh. et al. | | Acanthaceae |
| Cheilopsis Moq. | Acanthus L. | | | Cheilopsis Moq. | Acanthus L. | Acanthaceae |
| Chileranthemum Oerst. | | a | | Chileranthemum Oerst. | | Acanthaceae |
| Chiloglossa Oerst. | Justicia L. | | | Chiloglossa Oerst. | Justicia L. | Acanthaceae |
| Chingiacanthus Hand.-Mazz. | Isoglossa Oerst. | | | Chingiacanthus Hand.-Mazz. | Isoglossa Oerst. | Acanthaceae |
| Chlamydacanthus Lindau | | a | | Chlamydacanthus Lindau | | Acanthaceae |
| Chlamydocardia Lindau | | a | | Chlamydocardia Lindau | | Acanthaceae |
| Chlamydostachya Mildbr. | | a | | Chlamydostachya Mildbr. | | Acanthaceae |
| Chorisochora Vollesen | | a | | Chorisochora Vollesen | | Acanthaceae |
| Chrestienia Montrouz., nom. inval. | Pseuderanthemum Radlk. | | | Chrestienia Montrouz., nom. inval. | Pseuderanthemum Radlk. | Acanthaceae |
| Chroesthes Benoist | | a | | Chroesthes Benoist | | Acanthaceae |
| Clarkeasia J. R. I. Wood | Strobilanthes Blume | | | Clarkeasia J. R. I. Wood | Strobilanthes Blume | Acanthaceae |
| Clinacanthus Nees | | a | | Clinacanthus Nees | | Acanthaceae |
| Clistax Mart. | | a | | Clistax Mart. | | Acanthaceae |
| Codonacanthus Nees | | a | | Codonacanthus Nees | | Acanthaceae |
| Conocalyx Benoist | | a | | Conocalyx Benoist | | Acanthaceae |
| Copioglossa Miers | Ruellia L. | | | Copioglossa Miers | Ruellia L. | Acanthaceae |
| Corymbostachys Lindau | Justicia L. | | | Corymbostachys Lindau | Justicia L. | Acanthaceae |
| Cosmianthemum Bremek. | | a | | Cosmianthemum Bremek. | | Acanthaceae |
| Crabbea Harv. | | a | | Crabbea Harv. | | Acanthaceae |
| Croftia Small | Carlowrightia A. Gray | | | Croftia Small | Carlowrightia A. Gray | Acanthaceae |
| Crossandra Salisb. | | a | | Crossandra Salisb. | | Acanthaceae |
| Crossandrella C. B. Clarke | | a | | Crossandrella C. B. Clarke | | Acanthaceae |
| Cryphiacanthus Nees | Ruellia L. | | | Cryphiacanthus Nees | Ruellia L. | Acanthaceae |
| Cryptophragmium Nees | Gymnostachyum Nees | | | Cryptophragmium Nees | Gymnostachyum Nees | Acanthaceae |
| Ctenopaepale Bremek. | Strobilanthes Blume | | | Ctenopaepale Bremek. | Strobilanthes Blume | Acanthaceae |
| Cuenotia Rizzini | Aphelandra R. Br. | | | Cuenotia Rizzini | Aphelandra R. Br. | Acanthaceae |
| Cyclacanthus S. Moore | | a | | Cyclacanthus S. Moore | | Acanthaceae |
| Cylindrosolenium Lindau | Stenostephanus Nees | | | Cylindrosolenium Lindau | Stenostephanus Nees | Acanthaceae |
| Cynarospermum Vollesen | | a | | Cynarospermum Vollesen | | Acanthaceae |
| Cyphacanthus Leonard | | a | | Cyphacanthus Leonard | | Acanthaceae |
| Cyphisia Rizzini | Justicia L. | | | Cyphisia Rizzini | Justicia L. | Acanthaceae |
| Cyrtanthera Nees | Justicia L. | | | Cyrtanthera Nees | Justicia L. | Acanthaceae |
| Cyrtantherella Oerst. | Justicia L. | | | Cyrtantherella Oerst. | Justicia L. | Acanthaceae |
| Cystacanthus T. Anderson | | a | | Cystacanthus T. Anderson | | Acanthaceae |
| Dactylostegium Nees | Dicliptera Juss. | | | Dactylostegium Nees | Dicliptera Juss. | Acanthaceae |
| Daedalacanthus T. Anderson | Eranthemum L. | | | Daedalacanthus T. Anderson | Eranthemum L. | Acanthaceae |
| Danguya Benoist | | a | | Danguya Benoist | | Acanthaceae |
| Dasytropis Urb. | | a | | Dasytropis Urb. | | Acanthaceae |
| Delphinacanthus Benoist | Pseudodicliptera Benoist | | | Delphinacanthus Benoist | Pseudodicliptera Benoist | Acanthaceae |
| Dianthera L. | Justicia L. | | | Dianthera L. | Justicia L. | Acanthaceae |
| Diateinacanthus Lindau | Odontonema Nees | | | Diateinacanthus Lindau | Odontonema Nees | Acanthaceae |
| Dicentranthera T. Anderson | Asystasia Blume | | | Dicentranthera T. Anderson | Asystasia Blume | Acanthaceae |
| Dichazothece Lindau | | a | | Dichazothece Lindau | | Acanthaceae |
| Dicladanthera F. Muell. | | a | | Dicladanthera F. Muell. | | Acanthaceae |
| Dicliptera Juss. | | a | | Dicliptera Juss. | | Acanthaceae |
| Dicranacanthus Oerst. | Barleria L. | | | Dicranacanthus Oerst. | Barleria L. | Acanthaceae |
| Didyplosandra Wight ex Bremek. | Strobilanthes Blume | | | Didyplosandra Wight ex Bremek. | Strobilanthes Blume | Acanthaceae |
| Diflugossa Bremek. | Strobilanthes Blume | | | Diflugossa Bremek. | Strobilanthes Blume | Acanthaceae |
| Dimanisa Raf. | Justicia L. | | | Dimanisa Raf. | Justicia L. | Acanthaceae |
| Dinteracanthus C. B. Clarke ex Schinz | Ruellia L. | | | Dinteracanthus C. B. Clarke ex Schinz | Ruellia L. | Acanthaceae |
| Diotacanthus Benth. | | a | | Diotacanthus Benth. | | Acanthaceae |
| Dipteracanthus Nees | Ruellia L. | | | Dipteracanthus Nees | Ruellia L. | Acanthaceae |
| Dischistocalyx T. Anderson ex Benth. & Hook. f. | | a | | Dischistocalyx T. Anderson ex Benth. & Hook. f. | | Acanthaceae |
| Disperma C. B. Clarke | Duosperma Dayton | | | Disperma C. B. Clarke | Duosperma Dayton | Acanthaceae |
| Distichocalyx T. Anderson ex Benth. & Hook. f., orth. var. | Dischistocalyx T. Anderson ex Benth. & Hook. f. | | | Distichocalyx T. Anderson ex Benth. & Hook. f., orth. var. | Dischistocalyx T. Anderson ex Benth. & Hook. f. | Acanthaceae |
| Ditrichospermum Bremek. | Strobilanthes Blume | | | Ditrichospermum Bremek. | Strobilanthes Blume | Acanthaceae |
| Dolichostachys Benoist | | a | | Dolichostachys Benoist | | Acanthaceae |
| Dossifluga Bremek. | Strobilanthes Blume | | | Dossifluga Bremek. | Strobilanthes Blume | Acanthaceae |
| Drejera Nees | Thyrsacanthus Moric. | | | Drejera Nees | Thyrsacanthus Moric. | Acanthaceae |
| Drejerella Lindau | Justicia L. | | | Drejerella Lindau | Justicia L. | Acanthaceae |
| Duosperma Dayton | | a | | Duosperma Dayton | | Acanthaceae |
| Duvernoia E. Mey. ex Nees | Justicia L. | | | Duvernoia E. Mey. ex Nees | Justicia L. | Acanthaceae |
| Dyschoriste Nees | | a | | Dyschoriste Nees | | Acanthaceae |
| Dyspemptemorion Bremek. | Justicia L. | | | Dyspemptemorion Bremek. | Justicia L. | Acanthaceae |
| Earlia F. Muell. | Graptophyllum Nees | | | Earlia F. Muell. | Graptophyllum Nees | Acanthaceae |
| Ecbolium Kurz | | a | | Ecbolium Kurz | | Acanthaceae |
| Echinacanthus Nees | | a | | Echinacanthus Nees | | Acanthaceae |
| Echinopaepale Bremek. | Strobilanthes Blume | | | Echinopaepale Bremek. | Strobilanthes Blume | Acanthaceae |
| Ecteinanthus T. Anderson | Isoglossa Oerst. | | | Ecteinanthus T. Anderson | Isoglossa Oerst. | Acanthaceae |
| Emularia Raf. | Justicia L. | | | Emularia Raf. | Justicia L. | Acanthaceae |
| Encephalosphaera Lindau | | a | | Encephalosphaera Lindau | | Acanthaceae |
| Endopogon Nees | Strobilanthes Blume | | | Endopogon Nees | Strobilanthes Blume | Acanthaceae |
| Endosiphon T. Anderson ex Benth. & Hook. f. | Ruellia L. | | | Endosiphon T. Anderson ex Benth. & Hook. f. | Ruellia L. | Acanthaceae |
| Epiclastopelma Lindau | | a | | Epiclastopelma Lindau | | Acanthaceae |
| Eranthemum L. | | a | | Eranthemum L. | | Acanthaceae |
| Eremomastax Lindau | | a | | Eremomastax Lindau | | Acanthaceae |
| Eriostrobilus Bremek. | Strobilanthes Blume | | | Eriostrobilus Bremek. | Strobilanthes Blume | Acanthaceae |
| Ethesia Raf. | Justicia L. | | | Ethesia Raf. | Justicia L. | Acanthaceae |
| Eusiphon Benoist | Ruellia L. | | | Eusiphon Benoist | Ruellia L. | Acanthaceae |
| Filetia Miq. | | a | | Filetia Miq. | | Acanthaceae |
| Fittonia Coem. | | a | | Fittonia Coem. | | Acanthaceae |
| Forcipella Baill. | | a | | Forcipella Baill. | | Acanthaceae |
| Forsythiopsis Baker | Oplonia Raf. | | | Forsythiopsis Baker | Oplonia Raf. | Acanthaceae |
| Gantelbua Bremek. | Strobilanthes Blume | | | Gantelbua Bremek. | Strobilanthes Blume | Acanthaceae |
| Gastranthus Moritz ex Benth. & Hook. f. | Stenostephanus Nees | | | Gastranthus Moritz ex Benth. & Hook. f. | Stenostephanus Nees | Acanthaceae |
| Gatesia A. Gray | Yeatesia Small | | | Gatesia A. Gray | Yeatesia Small | Acanthaceae |
| Geissomeria Lindl. | | a | | Geissomeria Lindl. | | Acanthaceae |
| Gendarussa Nees | Justicia L. | | | Gendarussa Nees | Justicia L. | Acanthaceae |
| Glockeria Nees | Stenostephanus Nees | | | Glockeria Nees | Stenostephanus Nees | Acanthaceae |
| Glosarithys Rizzini | Justicia L. | | | Glosarithys Rizzini | Justicia L. | Acanthaceae |
| Glossochilus Nees | | a | | Glossochilus Nees | | Acanthaceae |
| Golaea Chiov. | | a | | Golaea Chiov. | | Acanthaceae |
| Goldfussia Nees | Strobilanthes Blume | | | Goldfussia Nees | Strobilanthes Blume | Acanthaceae |
| Graphandra J. B. Imlay | | a | | Graphandra J. B. Imlay | | Acanthaceae |
| Graptophyllum Nees | | a | | Graptophyllum Nees | | Acanthaceae |
| Gutzlaffia Hance | Strobilanthes Blume | | | Gutzlaffia Hance | Strobilanthes Blume | Acanthaceae |
| Gymapsis Bremek. | Strobilanthes Blume | | | Gymapsis Bremek. | Strobilanthes Blume | Acanthaceae |
| Gymnacanthus Nees | Ruellia L. | | | Gymnacanthus Nees | Ruellia L. | Acanthaceae |
| Gymnacanthus Oerst. | Ruellia L. | | | Gymnacanthus Oerst. | Ruellia L. | Acanthaceae |
| Gymnophragma Lindau | | a | | Gymnophragma Lindau | | Acanthaceae |
| Gymnostachyum Nees | | a | | Gymnostachyum Nees | | Acanthaceae |
| Gypsacanthus E. J. Lott et al. | | a | | Gypsacanthus E. J. Lott et al. | | Acanthaceae |
| Habracanthus Nees | Stenostephanus Nees | | | Habracanthus Nees | Stenostephanus Nees | Acanthaceae |
| Haemacanthus S. Moore | Satanocrater Schweinf. | | | Haemacanthus S. Moore | Satanocrater Schweinf. | Acanthaceae |
| Hallieracantha Stapf | Ptyssiglottis T. Anderson | | | Hallieracantha Stapf | Ptyssiglottis T. Anderson | Acanthaceae |
| Hansteinia Oerst. | Stenostephanus Nees | | | Hansteinia Oerst. | Stenostephanus Nees | Acanthaceae |
| Haplanthera Hochst. | Ruttya Harv. | | | Haplanthera Hochst. | Ruttya Harv. | Acanthaceae |
| Haplanthodes Kuntze | | a | | Haplanthodes Kuntze | | Acanthaceae |
| Haplanthoides H. W. Li | Andrographis Wall. ex Nees | | | Haplanthoides H. W. Li | Andrographis Wall. ex Nees | Acanthaceae |
| Haplanthus Nees | Andrographis Wall. ex Nees | | | Haplanthus Nees | Andrographis Wall. ex Nees | Acanthaceae |
| Harnieria Solms | Justicia L. | | | Harnieria Solms | Justicia L. | Acanthaceae |
| Harpochilus Nees | | a | | Harpochilus Nees | | Acanthaceae |
| Harrachia Jacq. | Crossandra Salisb. | | | Harrachia Jacq. | Crossandra Salisb. | Acanthaceae |
| Haselhoffia Lindau | Physacanthus Benth. | | | Haselhoffia Lindau | Physacanthus Benth. | Acanthaceae |
| Heinzelia Nees | Justicia L. | | | Heinzelia Nees | Justicia L. | Acanthaceae |
| Hemiadelphis Nees | | a | | Hemiadelphis Nees | | Acanthaceae |
| Hemichoriste Nees | Justicia L. | | | Hemichoriste Nees | Justicia L. | Acanthaceae |
| Hemigraphis Nees | | a | | Hemigraphis Nees | | Acanthaceae |
| Hemisandra Scheidw. | Aphelandra R. Br. | | | Hemisandra Scheidw. | Aphelandra R. Br. | Acanthaceae |
| Henrya Nees | | a | | Henrya Nees | | Acanthaceae |
| Herpetacanthus Nees | | a | | Herpetacanthus Nees | | Acanthaceae |
| Heteradelphia Lindau | | a | | Heteradelphia Lindau | | Acanthaceae |
| Heteraspidia Rizzini | Justicia L. | | | Heteraspidia Rizzini | Justicia L. | Acanthaceae |
| Himantochilus T. Anderson ex Benth. | Anisotes Nees | | | Himantochilus T. Anderson ex Benth. | Anisotes Nees | Acanthaceae |
| Holographis Nees | | a | | Holographis Nees | | Acanthaceae |
| Hoverdenia Nees | | a | | Hoverdenia Nees | | Acanthaceae |
| Hulemacanthus S. Moore | | a | | Hulemacanthus S. Moore | | Acanthaceae |
| Hydromestus Scheidw. | Aphelandra R. Br. | | | Hydromestus Scheidw. | Aphelandra R. Br. | Acanthaceae |
| Hygrophila R. Br. | | a | | Hygrophila R. Br. | | Acanthaceae |
| Hymenochlaena Bremek. | Strobilanthes Blume | | | Hymenochlaena Bremek. | Strobilanthes Blume | Acanthaceae |
| Hypoestes Sol. ex R. Br. | | a | | Hypoestes Sol. ex R. Br. | | Acanthaceae |
| Ichthyostoma Hedrén & Vollesen | | a | | Ichthyostoma Hedrén & Vollesen | | Acanthaceae |
| Indoneesiella Sreem. | Andrographis Wall. ex Nees | | | Indoneesiella Sreem. | Andrographis Wall. ex Nees | Acanthaceae |
| Ionacanthus Benoist | | a | | Ionacanthus Benoist | | Acanthaceae |
| Isacanthus Nees | Sclerochiton Harv. | | | Isacanthus Nees | Sclerochiton Harv. | Acanthaceae |
| Isaloa Humbert | Barleria L. | | | Isaloa Humbert | Barleria L. | Acanthaceae |
| Isochoriste Miq. | Asystasia Blume | | | Isochoriste Miq. | Asystasia Blume | Acanthaceae |
| Isoglossa Oerst. | | a | | Isoglossa Oerst. | | Acanthaceae |
| Isotheca Turrill | | a | | Isotheca Turrill | | Acanthaceae |
| Ixtlania M. E. Jones | Justicia L. | | | Ixtlania M. E. Jones | Justicia L. | Acanthaceae |
| Jacobinia Nees ex Moric. | Justicia L. | | | Jacobinia Nees ex Moric. | Justicia L. | Acanthaceae |
| Jadunia Lindau | | a | | Jadunia Lindau | | Acanthaceae |
| Juruasia Lindau | | a | | Juruasia Lindau | | Acanthaceae |
| Justicia L. | | a | | Justicia L. | | Acanthaceae |
| Kalbreyeracanthus Wassh. | Stenostephanus Nees | | | Kalbreyeracanthus Wassh. | Stenostephanus Nees | Acanthaceae |
| Kalbreyeriella Lindau | | a | | Kalbreyeriella Lindau | | Acanthaceae |
| Kanjarum Ramam. | Strobilanthes Blume | | | Kanjarum Ramam. | Strobilanthes Blume | Acanthaceae |
| Kenyacanthus I. Darbysh. & Kiel | | a | | Kenyacanthus I. Darbysh. & Kiel | | Acanthaceae |
| Kita A. Chev. | Hygrophila R. Br. | | | Kita A. Chev. | Hygrophila R. Br. | Acanthaceae |
| Kjellbergia Bremek. | Strobilanthes Blume | | | Kjellbergia Bremek. | Strobilanthes Blume | Acanthaceae |
| Kolobochilus Lindau | Razisea Oerst. | | | Kolobochilus Lindau | Razisea Oerst. | Acanthaceae |
| Kosmosiphon Lindau | | a | | Kosmosiphon Lindau | | Acanthaceae |
| Kudoacanthus Hosok. | | a | | Kudoacanthus Hosok. | | Acanthaceae |
| Kuestera Regel | Justicia L. | | | Kuestera Regel | Justicia L. | Acanthaceae |
| Lagochilium Nees | Aphelandra R. Br. | | | Lagochilium Nees | Aphelandra R. Br. | Acanthaceae |
| Lamiacanthus Kuntze | Strobilanthes Blume | | | Lamiacanthus Kuntze | Strobilanthes Blume | Acanthaceae |
| Lankesteria Lindl. | | a | | Lankesteria Lindl. | | Acanthaceae |
| Larsenia Bremek. | Strobilanthes Blume | | | Larsenia Bremek. | Strobilanthes Blume | Acanthaceae |
| Lasiocladus Bojer ex Nees | | a | | Lasiocladus Bojer ex Nees | | Acanthaceae |
| Leandriella Benoist | | a | | Leandriella Benoist | | Acanthaceae |
| Leda C. B. Clarke | Isoglossa Oerst. | | | Leda C. B. Clarke | Isoglossa Oerst. | Acanthaceae |
| Leiophaca Lindau | Whitfieldia Hook. | | | Leiophaca Lindau | Whitfieldia Hook. | Acanthaceae |
| Lepidacanthus C. Presl | Aphelandra R. Br. | | | Lepidacanthus C. Presl | Aphelandra R. Br. | Acanthaceae |
| Lepidagathis Willd. | | a | | Lepidagathis Willd. | | Acanthaceae |
| Leptacanthus Nees | Strobilanthes Blume | | | Leptacanthus Nees | Strobilanthes Blume | Acanthaceae |
| Leptosiphonium F. Muell. | | a | | Leptosiphonium F. Muell. | | Acanthaceae |
| Leptostachya Nees | | a | | Leptostachya Nees | | Acanthaceae |
| Leucobarleria Lindau | Neuracanthus Nees | | | Leucobarleria Lindau | Neuracanthus Nees | Acanthaceae |
| Leucoraphis Nees | Brillantaisia P. Beauv. | | | Leucoraphis Nees | Brillantaisia P. Beauv. | Acanthaceae |
| Leucorhaphis Nees | Brillantaisia P. Beauv. | | | Leucorhaphis Nees | Brillantaisia P. Beauv. | Acanthaceae |
| Liberatia Rizzini | Lepidagathis Willd. | | | Liberatia Rizzini | Lepidagathis Willd. | Acanthaceae |
| Libonia K. Koch | Justicia L. | | | Libonia K. Koch | Justicia L. | Acanthaceae |
| Linariantha B. L. Burtt & R. M. Sm. | | a | | Linariantha B. L. Burtt & R. M. Sm. | | Acanthaceae |
| Lindauea Rendle | Lepidagathis Willd. | | | Lindauea Rendle | Lepidagathis Willd. | Acanthaceae |
| Linocalyx Lindau | Justicia L. | | | Linocalyx Lindau | Justicia L. | Acanthaceae |
| Lissospermum Bremek. | Strobilanthes Blume | | | Lissospermum Bremek. | Strobilanthes Blume | Acanthaceae |
| Listrobanthes Bremek. | Strobilanthes Blume | | | Listrobanthes Bremek. | Strobilanthes Blume | Acanthaceae |
| Lophostachys Pohl | Lepidagathis Willd. | | | Lophostachys Pohl | Lepidagathis Willd. | Acanthaceae |
| Lophothecium Rizzini | Justicia L. | | | Lophothecium Rizzini | Justicia L. | Acanthaceae |
| Louteridium S. Watson | | a | | Louteridium S. Watson | | Acanthaceae |
| Lundellia Leonard | Holographis Nees | | | Lundellia Leonard | Holographis Nees | Acanthaceae |
| Lustrinia Raf. | Justicia L. | | | Lustrinia Raf. | Justicia L. | Acanthaceae |
| Lychniothyrsus Lindau | | a | | Lychniothyrsus Lindau | | Acanthaceae |
| Mackaya Harv. | | a | | Mackaya Harv. | | Acanthaceae |
| Mackenziea Nees | Strobilanthes Blume | | | Mackenziea Nees | Strobilanthes Blume | Acanthaceae |
| Macrorungia C. B. Clarke | Anisotes Nees | | | Macrorungia C. B. Clarke | Anisotes Nees | Acanthaceae |
| Mananthes Bremek. | Justicia L. | | | Mananthes Bremek. | Justicia L. | Acanthaceae |
| Marcania J. B. Imlay | | a | | Marcania J. B. Imlay | | Acanthaceae |
| Mcdadea E. A. Tripp & I. Darbysh. | | a | | Mcdadea E. A. Tripp & I. Darbysh. | | Acanthaceae |
| Megalochlamys Lindau | | a | | Megalochlamys Lindau | | Acanthaceae |
| Megalostoma Leonard | | a | | Megalostoma Leonard | | Acanthaceae |
| Megaskepasma Lindau | | a | | Megaskepasma Lindau | | Acanthaceae |
| Melittacanthus S. Moore | | a | | Melittacanthus S. Moore | | Acanthaceae |
| Mellera S. Moore | | a | | Mellera S. Moore | | Acanthaceae |
| Meninia Fua ex Hook. f. | Phlogacanthus Nees | | | Meninia Fua ex Hook. f. | Phlogacanthus Nees | Acanthaceae |
| Metarungia Baden | | a | | Metarungia Baden | | Acanthaceae |
| Mexacanthus T. F. Daniel | | a | | Mexacanthus T. F. Daniel | | Acanthaceae |
| Micranthus J. C. Wendl. | Phaulopsis Willd. | | | Micranthus J. C. Wendl. | Phaulopsis Willd. | Acanthaceae |
| Microstrobilus Bremek. | Strobilanthes Blume | | | Microstrobilus Bremek. | Strobilanthes Blume | Acanthaceae |
| Mimulopsis Schweinf. | | a | | Mimulopsis Schweinf. | | Acanthaceae |
| Mirandea Rzed. | | a | | Mirandea Rzed. | | Acanthaceae |
| Monechma Hochst. | | a | | Monechma Hochst. | | Acanthaceae |
| Monothecium Hochst. | | a | | Monothecium Hochst. | | Acanthaceae |
| Morsacanthus Rizzini | Pseuderanthemum Radlk. | | | Morsacanthus Rizzini | Pseuderanthemum Radlk. | Acanthaceae |
| Neohallia Hemsl. | Justicia L. | | | Neohallia Hemsl. | Justicia L. | Acanthaceae |
| Neolindenia Baill. | Louteridium S. Watson | | | Neolindenia Baill. | Louteridium S. Watson | Acanthaceae |
| Neowedia Schrad. | Ruellia L. | | | Neowedia Schrad. | Ruellia L. | Acanthaceae |
| Neriacanthus Benth. | | a | | Neriacanthus Benth. | | Acanthaceae |
| Neuracanthus Nees | | a | | Neuracanthus Nees | | Acanthaceae |
| Nicoteba Lindau | Justicia L. | | | Nicoteba Lindau | Justicia L. | Acanthaceae |
| Nilgirianthus Bremek. | Strobilanthes Blume | | | Nilgirianthus Bremek. | Strobilanthes Blume | Acanthaceae |
| Nomaphila Blume | Hygrophila R. Br. | | | Nomaphila Blume | Hygrophila R. Br. | Acanthaceae |
| Nothoruellia Bremek. | Ruellia L. | | | Nothoruellia Bremek. | Ruellia L. | Acanthaceae |
| Odontonema Nees | | a | | Odontonema Nees | | Acanthaceae |
| Odontonemella Lindau | Mackaya Harv. | | | Odontonemella Lindau | Mackaya Harv. | Acanthaceae |
| Odontophyllum Sreem. | Aphelandra R. Br. | | | Odontophyllum Sreem. | Aphelandra R. Br. | Acanthaceae |
| Odontostigma Zoll. & Moritzi | Gymnostachyum Nees | | | Odontostigma Zoll. & Moritzi | Gymnostachyum Nees | Acanthaceae |
| Onus Gilli | Mellera S. Moore | | | Onus Gilli | Mellera S. Moore | Acanthaceae |
| Onychacanthus Nees | Bravaisia DC. | | | Onychacanthus Nees | Bravaisia DC. | Acanthaceae |
| Ophthalmacanthus Nees | Ruellia L. | | | Ophthalmacanthus Nees | Ruellia L. | Acanthaceae |
| Oplonia Raf. | | a | | Oplonia Raf. | | Acanthaceae |
| Oreacanthus Benth. | Brachystephanus Nees | | | Oreacanthus Benth. | Brachystephanus Nees | Acanthaceae |
| Oreothyrsus Lindau | Ptyssiglottis T. Anderson | | | Oreothyrsus Lindau | Ptyssiglottis T. Anderson | Acanthaceae |
| Orophochilus Lindau | | a | | Orophochilus Lindau | | Acanthaceae |
| Orthotactus Nees | Justicia L. | | | Orthotactus Nees | Justicia L. | Acanthaceae |
| Pachystachys Nees | | a | | Pachystachys Nees | | Acanthaceae |
| Pachystrobilus Bremek. | Strobilanthes Blume | | | Pachystrobilus Bremek. | Strobilanthes Blume | Acanthaceae |
| Parabarleria Baill. | Barleria L. | | | Parabarleria Baill. | Barleria L. | Acanthaceae |
| Parachampionella Bremek. | Strobilanthes Blume | | | Parachampionella Bremek. | Strobilanthes Blume | Acanthaceae |
| Paragoldfussia Bremek. | Strobilanthes Blume | | | Paragoldfussia Bremek. | Strobilanthes Blume | Acanthaceae |
| Paragutzlaffia H. P. Tsui | Strobilanthes Blume | | | Paragutzlaffia H. P. Tsui | Strobilanthes Blume | Acanthaceae |
| Parajusticia Benoist | Gymnostachyum Nees | | | Parajusticia Benoist | Gymnostachyum Nees | Acanthaceae |
| Pararuellia Bremek. | | a | | Pararuellia Bremek. | | Acanthaceae |
| Parastrobilanthes Bremek. | Strobilanthes Blume | | | Parastrobilanthes Bremek. | Strobilanthes Blume | Acanthaceae |
| Parasympagis Bremek. | Strobilanthes Blume | | | Parasympagis Bremek. | Strobilanthes Blume | Acanthaceae |
| Parasystasia Baill. | Asystasia Blume | | | Parasystasia Baill. | Asystasia Blume | Acanthaceae |
| Pattersonia J. F. Gmel. | Ruellia L. | | | Pattersonia J. F. Gmel. | Ruellia L. | Acanthaceae |
| Paulowilhelmia Hochst. | Eremomastax Lindau | | | Paulowilhelmia Hochst. | Eremomastax Lindau | Acanthaceae |
| Pelecostemon Leonard | | a | | Pelecostemon Leonard | | Acanthaceae |
| Pentstemonacanthus Nees | Ruellia L. | | | Pentstemonacanthus Nees | Ruellia L. | Acanthaceae |
| Periblema DC. | Boutonia DC. | | | Periblema DC. | Boutonia DC. | Acanthaceae |
| Pericalypta Benoist | | a | | Pericalypta Benoist | | Acanthaceae |
| Periestes Baill. | Hypoestes Sol. ex R. Br. | | | Periestes Baill. | Hypoestes Sol. ex R. Br. | Acanthaceae |
| Perilepta Bremek. | Strobilanthes Blume | | | Perilepta Bremek. | Strobilanthes Blume | Acanthaceae |
| Peristrophe Nees | | a | | Peristrophe Nees | | Acanthaceae |
| Petalanthera Raf. | Justicia L. | | | Petalanthera Raf. | Justicia L. | Acanthaceae |
| Petalidium Nees | | a | | Petalidium Nees | | Acanthaceae |
| Petracanthus Nees | Gymnostachyum Nees | | | Petracanthus Nees | Gymnostachyum Nees | Acanthaceae |
| Phaulopsis Willd. | | a | | Phaulopsis Willd. | | Acanthaceae |
| Phaylopsis Willd., orth. var. | Phaulopsis Willd. | | | Phaylopsis Willd., orth. var. | Phaulopsis Willd. | Acanthaceae |
| Phialacanthus Benth. | | a | | Phialacanthus Benth. | | Acanthaceae |
| Phidiasia Urb. | | a | | Phidiasia Urb. | | Acanthaceae |
| Phillipsia Rolfe | Dyschoriste Nees | | | Phillipsia Rolfe | Dyschoriste Nees | Acanthaceae |
| Phlebophyllum Nees | Strobilanthes Blume | | | Phlebophyllum Nees | Strobilanthes Blume | Acanthaceae |
| Phlogacanthus Nees | | a | | Phlogacanthus Nees | | Acanthaceae |
| Physacanthus Benth. | | a | | Physacanthus Benth. | | Acanthaceae |
| Plaesianthera (C. B. Clarke) Livera | Brillantaisia P. Beauv. | | | Plaesianthera (C. B. Clarke) Livera | Brillantaisia P. Beauv. | Acanthaceae |
| Plagiacanthus Nees | Justicia L. | | | Plagiacanthus Nees | Justicia L. | Acanthaceae |
| Plagiotheca Chiov. | Isoglossa Oerst. | | | Plagiotheca Chiov. | Isoglossa Oerst. | Acanthaceae |
| Plegmatolemma Bremek. | Justicia L. | | | Plegmatolemma Bremek. | Justicia L. | Acanthaceae |
| Pleocaulus Bremek. | Strobilanthes Blume | | | Pleocaulus Bremek. | Strobilanthes Blume | Acanthaceae |
| Pleuroblepharis Baill. | Crossandra Salisb. | | | Pleuroblepharis Baill. | Crossandra Salisb. | Acanthaceae |
| Podorungia Baill. | | a | | Podorungia Baill. | | Acanthaceae |
| Pogonospermum Hochst. | Monechma Hochst. | | | Pogonospermum Hochst. | Monechma Hochst. | Acanthaceae |
| Poikilacanthus Lindau | | a | | Poikilacanthus Lindau | | Acanthaceae |
| Polylychnis Bremek. | Ruellia L. | | | Polylychnis Bremek. | Ruellia L. | Acanthaceae |
| Polythrix Nees | Crossandra Salisb. | | | Polythrix Nees | Crossandra Salisb. | Acanthaceae |
| Polytrema C. B. Clarke | Ptyssiglottis T. Anderson | | | Polytrema C. B. Clarke | Ptyssiglottis T. Anderson | Acanthaceae |
| Populina Baill. | | a | | Populina Baill. | | Acanthaceae |
| Porphyrocoma Scheidw. ex Hook. | Justicia L. | | | Porphyrocoma Scheidw. ex Hook. | Justicia L. | Acanthaceae |
| Pounguia Benoist | Whitfieldia Hook. | | | Pounguia Benoist | Whitfieldia Hook. | Acanthaceae |
| Pranceacanthus Wassh. | | a | | Pranceacanthus Wassh. | | Acanthaceae |
| Pringleophytum A. Gray | Holographis Nees | | | Pringleophytum A. Gray | Holographis Nees | Acanthaceae |
| Prionitis Oerst. | Barleria L. | | | Prionitis Oerst. | Barleria L. | Acanthaceae |
| Psacadocalymma Bremek. | Justicia L. | | | Psacadocalymma Bremek. | Justicia L. | Acanthaceae |
| Psacadopaepale Bremek. | Strobilanthopsis S. Moore | | | Psacadopaepale Bremek. | Strobilanthopsis S. Moore | Acanthaceae |
| Pseudacanthopale Benoist | Strobilanthopsis S. Moore | | | Pseudacanthopale Benoist | Strobilanthopsis S. Moore | Acanthaceae |
| Pseudaechmanthera Bremek. | Strobilanthes Blume | | | Pseudaechmanthera Bremek. | Strobilanthes Blume | Acanthaceae |
| Pseuderanthemum Radlk. | | a | | Pseuderanthemum Radlk. | | Acanthaceae |
| Pseudobarleria T. Anderson | Petalidium Nees | | | Pseudobarleria T. Anderson | Petalidium Nees | Acanthaceae |
| Pseudo-Barleria Oerst. | Barleria L. | | | Pseudo-Barleria Oerst. | Barleria L. | Acanthaceae |
| Pseudoblepharis Baill. | Sclerochiton Harv. | | | Pseudoblepharis Baill. | Sclerochiton Harv. | Acanthaceae |
| Pseudodicliptera Benoist | | a | | Pseudodicliptera Benoist | | Acanthaceae |
| Pseudoruellia Benoist | | a | | Pseudoruellia Benoist | | Acanthaceae |
| Pseudostenosiphonium Lindau | Strobilanthes Blume | | | Pseudostenosiphonium Lindau | Strobilanthes Blume | Acanthaceae |
| Psilanthele Lindau | | a | | Psilanthele Lindau | | Acanthaceae |
| Psiloesthes Benoist | Peristrophe Nees | | | Psiloesthes Benoist | Peristrophe Nees | Acanthaceae |
| Pteracanthus (Nees) Bremek. | Strobilanthes Blume | | | Pteracanthus (Nees) Bremek. | Strobilanthes Blume | Acanthaceae |
| Pteroptychia Bremek. | Strobilanthes Blume | | | Pteroptychia Bremek. | Strobilanthes Blume | Acanthaceae |
| Ptyssiglottis T. Anderson | | a | | Ptyssiglottis T. Anderson | | Acanthaceae |
| Pulchranthus V. M. Baum et al. | | a | | Pulchranthus V. M. Baum et al. | | Acanthaceae |
| Pupilla Rizzini | Justicia L. | | | Pupilla Rizzini | Justicia L. | Acanthaceae |
| Pyrrothrix Bremek. | Strobilanthes Blume | | | Pyrrothrix Bremek. | Strobilanthes Blume | Acanthaceae |
| Ramusia Nees | Peristrophe Nees | | | Ramusia Nees | Peristrophe Nees | Acanthaceae |
| Razisea Oerst. | | a | | Razisea Oerst. | | Acanthaceae |
| Rhacodiscus Lindau | Justicia L. | | | Rhacodiscus Lindau | Justicia L. | Acanthaceae |
| Rhaphidospora Nees | Justicia L. | | | Rhaphidospora Nees | Justicia L. | Acanthaceae |
| Rhinacanthus Nees | | a | | Rhinacanthus Nees | | Acanthaceae |
| Rhiphidosperma G. Don, orth. var. | Justicia L. | | | Rhiphidosperma G. Don, orth. var. | Justicia L. | Acanthaceae |
| Rhombochlamys Lindau | | a | | Rhombochlamys Lindau | | Acanthaceae |
| Rhyticalymma Bremek. | Justicia L. | | | Rhyticalymma Bremek. | Justicia L. | Acanthaceae |
| Rhytiglossa Nees | Isoglossa Oerst. | | | Rhytiglossa Nees | Isoglossa Oerst. | Acanthaceae |
| Ritonia Benoist | | a | | Ritonia Benoist | | Acanthaceae |
| Rodatia Raf. | Justicia L. | | | Rodatia Raf. | Justicia L. | Acanthaceae |
| Rostellaria Nees | Justicia L. | | | Rostellaria Nees | Justicia L. | Acanthaceae |
| Rostellularia Rchb. | Justicia L. | | | Rostellularia Rchb. | Justicia L. | Acanthaceae |
| Ruellia L. | | a | | Ruellia L. | | Acanthaceae |
| Ruelliola Baill. | Brillantaisia P. Beauv. | | | Ruelliola Baill. | Brillantaisia P. Beauv. | Acanthaceae |
| Ruelliopsis C. B. Clarke | | a | | Ruelliopsis C. B. Clarke | | Acanthaceae |
| Rungia Nees | | a | | Rungia Nees | | Acanthaceae |
| Ruspolia Lindau | | a | | Ruspolia Lindau | | Acanthaceae |
| Ruttya Harv. | | a | | Ruttya Harv. | | Acanthaceae |
| Saglorithys Rizzini | Justicia L. | | | Saglorithys Rizzini | Justicia L. | Acanthaceae |
| Salpinctium T. J. Edwards | | a | | Salpinctium T. J. Edwards | | Acanthaceae |
| Salpingantha Lem., orth. var. | Salpixantha Hook. | | | Salpingantha Lem., orth. var. | Salpixantha Hook. | Acanthaceae |
| Salpinxantha Urb., orth. var. | Salpixantha Hook. | | | Salpinxantha Urb., orth. var. | Salpixantha Hook. | Acanthaceae |
| Salpixantha Hook. | | a | | Salpixantha Hook. | | Acanthaceae |
| Salviacanthus Lindau | Justicia L. | | | Salviacanthus Lindau | Justicia L. | Acanthaceae |
| Samuelssonia Urb. & Ekman | | a | | Samuelssonia Urb. & Ekman | | Acanthaceae |
| Sanchezia Ruiz & Pav. | | a | | Sanchezia Ruiz & Pav. | | Acanthaceae |
| Santapaua N. P. Balakr. & Subr. | | a | | Santapaua N. P. Balakr. & Subr. | | Acanthaceae |
| Sapphoa Urb. | | a | | Sapphoa Urb. | | Acanthaceae |
| Sarojusticia Bremek. | Justicia L. | | | Sarojusticia Bremek. | Justicia L. | Acanthaceae |
| Sarotheca Nees | Justicia L. | | | Sarotheca Nees | Justicia L. | Acanthaceae |
| Satanocrater Schweinf. | | a | | Satanocrater Schweinf. | | Acanthaceae |
| Sautiera Decne. | | a | | Sautiera Decne. | | Acanthaceae |
| Schaueria Nees | | a | | Schaueria Nees | | Acanthaceae |
| Schliebenia Mildbr. | Isoglossa Oerst. | | | Schliebenia Mildbr. | Isoglossa Oerst. | Acanthaceae |
| Schwabea Endl. & Fenzl | Monechma Hochst. | | | Schwabea Endl. & Fenzl | Monechma Hochst. | Acanthaceae |
| Sciaphyllum Bremek. | Streblacanthus Kuntze | | | Sciaphyllum Bremek. | Streblacanthus Kuntze | Acanthaceae |
| Sclerocalyx Nees | Ruellia L. | | | Sclerocalyx Nees | Ruellia L. | Acanthaceae |
| Sclerochiton Harv. | | a | | Sclerochiton Harv. | | Acanthaceae |
| Sebastiano-schaueria Nees | | a | | Sebastiano-schaueria Nees | | Acanthaceae |
| Semnostachya Bremek. | Strobilanthes Blume | | | Semnostachya Bremek. | Strobilanthes Blume | Acanthaceae |
| Semnothyrsus Bremek. | Strobilanthes Blume | | | Semnothyrsus Bremek. | Strobilanthes Blume | Acanthaceae |
| Sericocalyx Bremek. | Strobilanthes Blume | | | Sericocalyx Bremek. | Strobilanthes Blume | Acanthaceae |
| Sericographis Nees | Justicia L. | | | Sericographis Nees | Justicia L. | Acanthaceae |
| Simonisia Nees | Justicia L. | | | Simonisia Nees | Justicia L. | Acanthaceae |
| Sinthroblastes Bremek. | Strobilanthes Blume | | | Sinthroblastes Bremek. | Strobilanthes Blume | Acanthaceae |
| Siphoneranthemum (Oerst.) Kuntze | Pseuderanthemum Radlk. | | | Siphoneranthemum (Oerst.) Kuntze | Pseuderanthemum Radlk. | Acanthaceae |
| Siphonoglossa Oerst. | Justicia L. | | | Siphonoglossa Oerst. | Justicia L. | Acanthaceae |
| Solenochasma Fenzl | Justicia L. | | | Solenochasma Fenzl | Justicia L. | Acanthaceae |
| Solenoruellia Baill. | Henrya Nees | | | Solenoruellia Baill. | Henrya Nees | Acanthaceae |
| Sooia Pócs | Epiclastopelma Lindau | | | Sooia Pócs | Epiclastopelma Lindau | Acanthaceae |
| Spathacanthus Baill. | | a | | Spathacanthus Baill. | | Acanthaceae |
| Sphacanthus Benoist | | a | | Sphacanthus Benoist | | Acanthaceae |
| Sphinctacanthus Benth. | | a | | Sphinctacanthus Benth. | | Acanthaceae |
| Spirostigma Nees | | a | | Spirostigma Nees | | Acanthaceae |
| Sreemadhavana Rauschert | Aphelandra R. Br. | | | Sreemadhavana Rauschert | Aphelandra R. Br. | Acanthaceae |
| Standleyacanthus Leonard | Herpetacanthus Nees | | | Standleyacanthus Leonard | Herpetacanthus Nees | Acanthaceae |
| Steirosanchezia Lindau | Sanchezia Ruiz & Pav. | | | Steirosanchezia Lindau | Sanchezia Ruiz & Pav. | Acanthaceae |
| Stemonacanthus Nees | Ruellia L. | | | Stemonacanthus Nees | Ruellia L. | Acanthaceae |
| Stenandriopsis S. Moore | | a | | Stenandriopsis S. Moore | | Acanthaceae |
| Stenandrium Nees | | a | | Stenandrium Nees | | Acanthaceae |
| Stenoschista Bremek. | Ruellia L. | | | Stenoschista Bremek. | Ruellia L. | Acanthaceae |
| Stenosiphonium Nees | Strobilanthes Blume | | | Stenosiphonium Nees | Strobilanthes Blume | Acanthaceae |
| Stenostephanus Nees | | a | | Stenostephanus Nees | | Acanthaceae |
| Stenothyrsus C. B. Clarke | | a | | Stenothyrsus C. B. Clarke | | Acanthaceae |
| Stephanophysum Pohl | Ruellia L. | | | Stephanophysum Pohl | Ruellia L. | Acanthaceae |
| Stethoma Raf. | Justicia L. | | | Stethoma Raf. | Justicia L. | Acanthaceae |
| Streblacanthus Kuntze | | a | | Streblacanthus Kuntze | | Acanthaceae |
| Streptosiphon Mildbr. | | a | | Streptosiphon Mildbr. | | Acanthaceae |
| Strobilacanthus Griseb. | Crossandra Salisb. | | | Strobilacanthus Griseb. | Crossandra Salisb. | Acanthaceae |
| Strobilanthes Blume | | a | | Strobilanthes Blume | | Acanthaceae |
| Strobilanthopsis S. Moore | | a | | Strobilanthopsis S. Moore | | Acanthaceae |
| Strobilorhachis Klotzsch | Aphelandra R. Br. | | | Strobilorhachis Klotzsch | Aphelandra R. Br. | Acanthaceae |
| Strophacanthus Lindau | Isoglossa Oerst. | | | Strophacanthus Lindau | Isoglossa Oerst. | Acanthaceae |
| Styasasia S. Moore | Asystasia Blume | | | Styasasia S. Moore | Asystasia Blume | Acanthaceae |
| Stylarthropus Baill. | Whitfieldia Hook. | | | Stylarthropus Baill. | Whitfieldia Hook. | Acanthaceae |
| Suessenguthia Merxm. | | a | | Suessenguthia Merxm. | | Acanthaceae |
| Supushpa Suryan. | Strobilanthes Blume | | | Supushpa Suryan. | Strobilanthes Blume | Acanthaceae |
| Sympagis (Nees) Bremek. | Strobilanthes Blume | | | Sympagis (Nees) Bremek. | Strobilanthes Blume | Acanthaceae |
| Symplectochilus Lindau | Anisotes Nees | | | Symplectochilus Lindau | Anisotes Nees | Acanthaceae |
| Synandra Schrad. | Aphelandra R. Br. | | | Synandra Schrad. | Aphelandra R. Br. | Acanthaceae |
| Synchoriste Baill. | Lasiocladus Bojer ex Nees | | | Synchoriste Baill. | Lasiocladus Bojer ex Nees | Acanthaceae |
| Synnema Benth. | Hygrophila R. Br. | | | Synnema Benth. | Hygrophila R. Br. | Acanthaceae |
| Syringidium Lindau | Stenostephanus Nees | | | Syringidium Lindau | Stenostephanus Nees | Acanthaceae |
| Tabascina Baill. | Justicia L. | | | Tabascina Baill. | Justicia L. | Acanthaceae |
| Tacoanthus Baill. | Ruellia L. | | | Tacoanthus Baill. | Ruellia L. | Acanthaceae |
| Taeniandra Bremek. | Strobilanthes Blume | | | Taeniandra Bremek. | Strobilanthes Blume | Acanthaceae |
| Talbotia S. Moore | Afrofittonia Lindau | | | Talbotia S. Moore | Afrofittonia Lindau | Acanthaceae |
| Tarphochlamys Bremek. | Strobilanthes Blume | | | Tarphochlamys Bremek. | Strobilanthes Blume | Acanthaceae |
| Teliostachya Nees | Lepidagathis Willd. | | | Teliostachya Nees | Lepidagathis Willd. | Acanthaceae |
| Tessmanniacanthus Mildbr. | | a | | Tessmanniacanthus Mildbr. | | Acanthaceae |
| Tetraglochidium Bremek. | Strobilanthes Blume | | | Tetraglochidium Bremek. | Strobilanthes Blume | Acanthaceae |
| Tetragoga Bremek. | Strobilanthes Blume | | | Tetragoga Bremek. | Strobilanthes Blume | Acanthaceae |
| Tetragompha Bremek. | Strobilanthes Blume | | | Tetragompha Bremek. | Strobilanthes Blume | Acanthaceae |
| Tetramerium Nees | | a | | Tetramerium Nees | | Acanthaceae |
| Thalestris Rizzini | Justicia L. | | | Thalestris Rizzini | Justicia L. | Acanthaceae |
| Thamnojusticia Mildbr. | Justicia L. | | | Thamnojusticia Mildbr. | Justicia L. | Acanthaceae |
| Theileamea Baill. | | a | | Theileamea Baill. | | Acanthaceae |
| Thelepaepale Bremek. | Strobilanthes Blume | | | Thelepaepale Bremek. | Strobilanthes Blume | Acanthaceae |
| Thyrsacanthus Moric. | | a | | Thyrsacanthus Moric. | | Acanthaceae |
| Thyrsacanthus Nees | Odontonema Nees | | | Thyrsacanthus Nees | Odontonema Nees | Acanthaceae |
| Thysanostigma J. B. Imlay | | a | | Thysanostigma J. B. Imlay | | Acanthaceae |
| Tremacanthus S. Moore | Ruellia L. | | | Tremacanthus S. Moore | Ruellia L. | Acanthaceae |
| Triaenacanthus Nees | Strobilanthes Blume | | | Triaenacanthus Nees | Strobilanthes Blume | Acanthaceae |
| Triaenanthus Nees | Strobilanthes Blume | | | Triaenanthus Nees | Strobilanthes Blume | Acanthaceae |
| Trichacanthus Zoll. & Moritzi | Blepharis Juss. | | | Trichacanthus Zoll. & Moritzi | Blepharis Juss. | Acanthaceae |
| Trichanthera Kunth | | a | | Trichanthera Kunth | | Acanthaceae |
| Trichaulax Vollesen | | a | | Trichaulax Vollesen | | Acanthaceae |
| Trichocalyx Balf. f. | | a | | Trichocalyx Balf. f. | | Acanthaceae |
| Trichosanchezia Mildbr. | | a | | Trichosanchezia Mildbr. | | Acanthaceae |
| Trybliocalyx Lindau | Chileranthemum Oerst. | | | Trybliocalyx Lindau | Chileranthemum Oerst. | Acanthaceae |
| Tyloglossa Hochst. | Justicia L. | | | Tyloglossa Hochst. | Justicia L. | Acanthaceae |
| Ulleria Bremek. | Ruellia L. | | | Ulleria Bremek. | Ruellia L. | Acanthaceae |
| Vavara Benoist | | a | | Vavara Benoist | | Acanthaceae |
| Vindasia Benoist | | a | | Vindasia Benoist | | Acanthaceae |
| Volkensiophyton Lindau | Lepidagathis Willd. | | | Volkensiophyton Lindau | Lepidagathis Willd. | Acanthaceae |
| Warpuria Stapf | Podorungia Baill. | | | Warpuria Stapf | Podorungia Baill. | Acanthaceae |
| Whitfieldia Hook. | | a | | Whitfieldia Hook. | | Acanthaceae |
| Xantheranthemum Lindau | | a | | Xantheranthemum Lindau | | Acanthaceae |
| Xanthostachya Bremek. | Strobilanthes Blume | | | Xanthostachya Bremek. | Strobilanthes Blume | Acanthaceae |
| Xenacanthus Bremek. | Strobilanthes Blume | | | Xenacanthus Bremek. | Strobilanthes Blume | Acanthaceae |
| Xerothamnella C. T. White | | a | | Xerothamnella C. T. White | | Acanthaceae |
| Xylacanthus Aver. & K. S. Nguyen | | a | | Xylacanthus Aver. & K. S. Nguyen | | Acanthaceae |
| Yeatesia Small | | a | | Yeatesia Small | | Acanthaceae |
| Zygoruellia Baill. | | a | | Zygoruellia Baill. | | Acanthaceae |