====== Ruellia ======
{{ :r:ruellia_elegans.jpg?400|Ruellia elegans}}
===== Pétunias sauvages =====

Ruellia est un genre de plantes de la famille des [[A:Acanthaceae]].

===== Description =====
Il comprend environ 250 espèces de plantes herbacées principalement originaires des régions tropicales ou subtropicales. Quelques espèces sont originaires des régions tempérées d'Amérique du Nord où elles sont communément appelées [[P:Petunia|pétunia]].

==== Liste des espèces ====
  * 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