Ruellia acutangula Nees
Ruellia adénocalyx Lindau
Ruellia adenostachya Lindau
Ruellia affinis (Schrad.) T.Anderson
Ruellia albopurpurea Benoist
Ruellia alboviolacea Lindau
Ruellia altoparadisiensis UGFern., Kameyama & EATripp
Ruellia amabilis S. Moore
Ruellia amapensis Lavage.
Ruellia amarilla EATripp & Luján
Ruellia amoena Sessé & Moc.
Ruellia amplexicaulis (Nees) Lindau
Ruellia anamariae ASReis, A.Gil & Kameyama
Ruellia anaticollis Benoist
Ruellia angolensis I.Darbysh. & EATripp
Ruellia angustiflora (Nees) Lindau et Rambo
Ruellia angustifolia Sw.
Ruellia angustior (Nees) Lindau
Ruellia ansericollis Benoist
Ruellia anthracina Leonard
Ruellia antiquorum Wassh. & JRIBois
Ruellia aquatica Leonard
Ruellia asperula (Mart. & Nees) Lindau
Ruellia aurantiaca Léonard
Ruellia bahiensis (Moric.) Morong
Ruellia baikiei (Hook.) Benth. & Hook.f. ex Salomon
Ruellia baurii CBClarke
Ruellia beckii Wassh. & JRIWood
Ruellia beddomei CBClarke
Ruellia bella Craib
Ruellia bénédictine Chiov.
Ruellia beniana JRIWood
Ruellia beyrichiana (Nees) S.Moore
Ruellia bignoniiflora S.Moore
Ruellia biolleyi Lindau
Ruellia blanchetiana (Moric.) Lindau
Ruellia blechioides Sw.
Ruellia blechum L.
Ruellia blumei Steud.
Ruellia bolivarensis Wassh.
Ruellia bolivienne Govaerts
Ruellia boranica Ensermu
Ruellia borneensis (S.Moore) EATripp & I.Darbysh.
Ruellia bourgaei Hemsl.
Ruellia brachysiphon (Nees) Hiern
Ruellia bracteata R.Br.
Ruellia brandbergensis Kers
Ruellia breedlovei TFDaniel
Ruellia brevifolia (Pohl) C.Ezcurra
Ruellia bulbifera Lindau
Ruellia burttii Vollesen
Ruellia californica (Vasey & Rose) IMJohnst.
Ruellia calimensis Lavage.
Ruellia capotyra Braz & IHFAzevedo
Ruellia capuronii Benoist
Ruellia caracasana (Klotzsch & H.Karst. ex Nees) VMBadillo
Ruellia carmenaemiliae Llamozas
Ruellia carnea Balf.f.
Ruellia caroliniensis (JFGmel.) Steud.
Ruellia cataractae UGFern., Kameyama & EATripp
Ruellia caucensis Leonard
Ruellia cearensis Lindau
Ruellia ceciliae UGFern. & Kameyama
Ruellia cedilloi Ramamoorthy
Ruellia chamaedrys (Nees) Angely
Ruellia chapadensis UGFern., Kameyama & EATripp
Ruellia Chariessa Léonard
Ruellia chartacea (T. Anderson) Wassh.
Ruellia ciconiicollis Benoist
Ruellia ciliata Hornem.
Ruellia ciliatiflora Crochet.
Ruellia coccinea (L.) Vahl
Ruellia colombiana Léonard
Ruellia colonensis Lavage.
Ruellia comonduensis TFDaniel
Ruellia congoensis Benoist
Ruellia conzattii Standl.
Ruellia cordata Thunb.
Ruellia corynotheca F.Muell. ex Benth.
Ruellia corzoi Tharp & FABarkley
Ruellia costaricensis (Oerst.) EATripp & McDade
Ruellia costata (Nees) Hiern
Ruellia cuatrecasasii Wassh.
Ruellia currorii T. Anderson
Ruellia curupira ECOChagas & Costa-Lima
Ruellia curviflora Nees & Mart.
Ruellia cuyabensis Wassh.
Ruellia cyanea Bojer ex Nees
Ruellia decaryi Benoist
Ruellia decipiens Nees
Ruellia delascioi Wassh.
Ruellia densa Hiern
Ruellia densiflora Hemsl.
Ruellia dequairei Benoist
Ruellia detonsa Benoist
Ruellia devosiana Jacob-Makoy et É.Morren
Ruellia dielsii Mildbr.
Ruellia dioscoridis Napper
Ruellia discifolia Olivier
Ruellia décolore Lecchi ex Colla
Ruellia dissident Benoist
Ruellia dissimilis JBImlay
Ruellia dissitifolia (Nees) Hiern
Ruellia dissoluta Lindau
Ruellia dolichosiphon Wassh. & JRIWood
Ruellia domatiata I.Darbysh. & EATripp
Ruellia domingensis (Nees) Lindau
Ruellia donnell-smithii Leonard
Ruellia drummondiana (Nees) A.Gray
Ruellia drushelii Tharp & FABarkley
Ruellia edwardsae Tharp & FABarkley
Ruellia elegans Poir.
Ruellia epallocaulos Leonard ex C.Ezcurra & Wassh.
Ruellia eriocalyx Glaz. ex TFDaniel, EATripp & C.Ezcurra
Ruellia erythropus (Nees) Lindau
Ruellia eumorphantha Lindau
Ruellia eurycodon Lindau
Ruellia exilis McDade & EATripp
Ruellia exostemma Lindau
Ruellia exserta Wassh. & JRIWood
Ruellia fiherenensis Benoist
Ruellia filicalyx Lindau
Ruellia fiorii Chiov.
Ruellia floribunda Crochet.
Ruellia foetida Humb. & Bonpl. ex Willd.
Ruellia foliosepala TFDaniel
Ruellia forsskaolii Thulin
Ruellia fruticosa Sessé & Moc. ex DC.
Ruellia fulgens (Bremek.) EATripp
Ruellia fulgida Andrews
Ruellia fulozinha ECOChagas & Costa-Lima
Ruellia furcata (Nees) Lindau
Ruellia galactophylla Chiov.
Ruellia galeottii Léonard
Ruellia geayi (Benoist) EATripp
Ruellia geminiflora Kunth
Ruellia Gilva Wassh.
Ruellia glandulifolia UGFern., Kameyama & EATripp
Ruellia glischrocalyx Lindau
Ruellia golfodulcensis Durkee
Ruellia gorgonensis Léonard
Ruellia gracilis Rusby
Ruellia grantii Léonard
Ruellia grisea Léonard
Ruellia gruicollis Benoist
Ruellia guerrerensis TFDaniel
Ruellia haematantha Lindau
Ruellia haenkeana (Nees) Wash.
Ruellia hapalotricha Lindau
Ruellia harveyana Stapf
Ruellia hatschbachii UGFern. & Kameyama
Ruellia haughtii (Léonard) EATripp
Ruellia helianthema (Nees) Profice
Ruellia herbstii (Hook.) Hiern
Ruellia heterosepala Benoist
Ruellia heterotricha Deflers
Ruellia hirsutissima (Nees) EATripp
Ruellia hirsutoglandulosa (Oerst.) Hemsl.
Ruellia holm-nielsenii Wassh.
Ruellia hookeriana (Nees) Hemsl.
Ruellia humboldtiana (Nees) Lindau
Ruellia humilis Nutt.
Ruellia hygrophila Mart.
Ruellia hygrophiloides (Nees) Hemsl.
Ruellia hypericoides (Nees) Lindau
Ruellia incomta (Nees) Lindau
Ruellia indecora Benoist
Ruellia inflata Riche.
Ruellia insignis Balf.f.
Ruellia insurrecta ECOChagas & Costa-Lima
Ruellia intermédiaire Léonard
Ruellia inundata Kunth
Ruellia ischnopoda Léonard
Ruellia jaliscana Standl.
Ruellia japurensis Mart. ex Nees
Ruellia jeddahica Hemaid
Ruellia jiboia ECOChagas & Costa-Lima
Ruellia jimulcensis Villarreal
Ruellia jussieuoides Schltdl. & Cham.
Ruellia kalungae GVRMendonça & MJSilva
Ruellia kerrii Craib
Ruellia kleinii C.Ezcurra & Wash.
Ruellia kuriensis Vierh.
Ruellia lactea Cav.
Ruellia lanatoglandulosa (Nees) Lindau
Ruellia lasiostachya Léonard
Ruellia laslobasensis EATripp
Ruellia latibracteata DNGibson
Ruellia Latisepala Benoist
Ruellia laxa (Nees) Lindau
Ruellia leonardiana Hammel
Ruellia lépidota Urb.
Ruellia leptosepala Benoist
Ruellia leucantha Brandegee
Ruellia leucobracteatus Durkee
Ruellia liesneri Wassh.
Ruellia lindaviana Taub.
Ruellia lineibracteolata Lindau
Ruellia linifolia Benoist
Ruellia lithophila Lindau
Ruellia longepetiolata (Oerst.) Hemsl.
Ruellia longifilamentosa Lindau
Ruellia longifolia Riche.
Ruellia longipedunculata Lindau
Ruellia lucindae UGFern., Kameyama & EATripp
Ruellia lutea (Leonard) EATripp & Luján
Ruellia luzona Nees
Ruellia luzoniensis Merr.
Ruellia macarenensis Léonard
Ruellia macrantha (Nees) Van Houtte
Ruellia macrophylla Vahl
Ruellia macrosiphon Kurz
Ruellia macrosolen Lillo ex C.Ezcurra
Ruellia magniflora C. Ezcurra
Ruellia makoyana Closon
Ruellia malaca Léonard
Ruellia malacophylla CBClarke
Ruellia malasica (CBClarke) JBImlay
Ruellia matagalpae Lindau
Ruellia matudae Léonard
Ruellia maya TFDaniel
Ruellia mcvaughii TFDaniel
Ruellia megasphaera Lindau
Ruellia mellosilvae UGFern., Kameyama et EATripp
Ruellia menthoides (Nees) Hiern
Ruellia metziae Tharp
Ruellia microcalyx (Nees) Lindau
Ruellia Mira McDade et EATripp
Ruellia misera Benoist
Ruellia mollis (Nees) Lindau
Ruellia monanthos (Nees) Bojer et T.Anderson
Ruellia morongii Britton
Ruellia muelleri Tharp & FABarkley
Ruellia multifolia (Nees) Lindau
Ruellia napoensis Wassh.
Ruellia neoneesiana Wassh.
Ruellia neowedia (Schrad.) Lindau
Ruellia nitens (Nees) Wassh.
Ruellia nitida (Nees) Wash. & JRIBois
Ruellia nobilis (S. Moore) Lindau
Ruellia noctiflora (Nees) A.Gray
Ruellia nocturna Hedrén
Ruellia norvegigratiosa McDade & EATripp
Ruellia novogaliciana TFDaniel
Ruellia nummularia Benoist
Ruellia oaxacana Léonard
Ruellia obliqua Pers.
Ruellia obtusa Nees
Ruellia ochroleuca Mart. ex-Nees
Ruellia odorata EATripp & McDade
Ruellia ovalifolia (Oerst.) Hemsl.
Ruellia palustris Durkee
Ruellia panamensis (Lindau) EATripp
Ruellia paniculata L.
Ruellia panucana Lindau
Ruellia parryi A.Gray
Ruellia parva Hemsl.
Ruellia parvifolia Urb.
Ruellia patula Jacq.
Ruellia pauciovulata Benoist
Ruellia paulayana Vierh.
Ruellia pedunculata Torr. ex A.Gray
Ruellia pedunculosa (Nees) Lindau
Ruellia pereducta Standl.
Ruellia perrieri Benoist
Ruellia petiolaris (Nees) TFDaniel
Ruellia philippinensis Elmer
Ruellia phyllocalyx Lindau
Ruellia pilosa Lf
Ruellia pinguicula UGFern., Kameyama & EATripp
Ruellia pittieri Lindau
Ruellia placoidea Rendle
Ruellia pohlii (Nees) EATripp & TFDaniel
Ruellia poissonii Benoist
Ruellia potamophila Léonard
Ruellia praeclara Standl.
Ruellia praetermissa Schweinf. ex-Lindau
Ruellia primulacea F.Muell. ex Benth.
Ruellia primuloides (T.Anderson ex Benth.) Heine
Ruellia pringlei Fernald
Ruellia prostrata Poir.
Ruellia proxima Lindau
Ruellia pseudopatula Ensermu
Ruellia pterocaulon Léonard
Ruellia puberula (Leonard) Tharp & FABarkley
Ruellia pulcherrima T.Anderson ex Hemsl.
Ruellia pulverulenta Leonard
Ruellia pumila (Nees) Pav. ex BDJacks.
Ruellia purshiana Fernald
Ruellia putumayensis Léonard
Ruellia pygmaea Donn.Sm.
Ruellia quadrisepala Benoist
Ruellia quartziticola Callm., EATripp & Phillipson
Ruellia quipungoensis I.Darbysh. & EATripp
Ruellia rasa Hiern
Ruellia rauhii Wassh.
Ruellia reitzii Wassh. & LBSm.
Ruellia repens L.
Ruellia resupinata EATripp & TFDaniel
Ruellia rheophytica JRIWood & Hoyos-Gómez
Ruellia richardsiae Vollesen
Ruellia riedeliana (Nees) Profice
Ruellia rosmarinus (Nees) UGFern. & Kameyama
Ruellia rubiginosa (Nees) Lindau
Ruellia rubra Aubl.
Ruellia rufipila Rizzini
Ruellia ruiziana (Nees) Lindau
Ruellia rusbyi Léonard
Ruellia saccata Schmidt-Leb. & EATripp
Ruellia saccifera Benoist
Ruellia saeri Appels
Ruellia salmeronensis Llamozas
Ruellia salviifolius (Nees) Profice
Ruellia sanguinea Griseb.
Ruellia sarukhaniana Ramamoorthy
Ruellia saulensis Lavage
Ruellia scabrifolia Valeton
Ruellia scarlatina MJSilva
Ruellia sceptrum-marianum (Vell.) Stearn
Ruellia schlechtendaliana (Nees) Hemsl.
Ruellia schnellii Wassh.
Ruellia serrana Profice
Ruellia sessilifolia (Nees) Lindau
Ruellia shaferiana Urb.
Ruellia siamensis JBImlay
Ruellia sibua (Nees) IMTurner
Ruellia silvaccola (Nees) Lindau
Ruellia simplex C. Wright
Ruellia singularis Benoist
Ruellia siraensis Lavage.
Ruellia sivarajanii Sreedevi, Remadevi & Binojk.
Ruellia solitaria Vell.
Ruellia sororia Standl.
Ruellia spatulifolia Benoist
Ruellia spectabilis (Hook.) G.Nicholson
Ruellia spissa Léonard
Ruellia splendidula (Nees) Lindau
Ruellia sprucei Lindau
Ruellia stelligera Benoist
Ruellia stemonacanthoides (Oerst.) Hemsl.
Ruellia stenophylla CBClarke
Ruellia steyermarkii Wassh.
Ruellia strepens L.
Ruellia subringens (Nees) Lindau
Ruellia subsessilis (Nees) Lindau
Ruellia taboleirana ECOChagas & Costa-Lima
Ruellia tachiadena (Heine & A.Raynal) EATripp
Ruellia tarapotana Lindau
Ruellia terminalis (Nees) Wassh.
Ruellia tessmannii Mildbr.
Ruellia tetragona Lien
Ruellia tetrasticantha Lindau
Ruellia thyrsostachya Lindau
Ruellia togoensis (Lindau) Heine
Ruellia tolimensis Léonard
Ruellia trachyphylla Lindau
Ruellia transitoria Benoist
Ruellia treubiana Lindau
Ruellia tuberosa L.
Ruellia tubiflora Kunth
Ruellia tubulata (Nees) Pav. ex BDJacks.
Ruellia turbinis Benoist
Ruellia tuxtlensis Ramamoorthy et YHUribe
Ruellia umbrosa MJSilva
Ruellia Uribe Leonard
Ruellia ventricosa Poir.
Ruellia venusta Hance
Ruellia verbasciformis (Nees) C.Ezcurra & Zappi
Ruellia villanovensis Colla
Ruellia villosa (Nees) Lindau
Ruellia vincta Benoist
Ruellia violacea Aubl.
Ruellia viridiflora Léonard
Ruellia viscidula Mart. ex-Schrank
Ruellia wasshauseniana EATripp
Ruellia whitneyana EATripp
Ruellia woodii CBClarke
Ruellia woolstonii C. Ezcurra
Ruellia wurdackii Wassh.
Ruellia yurimaguensis Lindau