''Acianthera'' is a genus of orchids native to the tropical parts of the Western Hemisphere,Kew World Checklist of Selected Plant Families
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Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

.de Melo, M. C., Borba, E. L., & Paiva, E. A. S. (2010)
Morphological and histological characterization of the osmophores and nectaries of four species of ''Acianthera'' (Orchidaceae: Pleurothallidinae).
''Plant Systematics and Evolution'' 286(3-4), 141-51. It was first described in 1842 but was not widely recognized until recently. Most of the species were formerly placed under ''

Pleurothallis ''Pleurothallis'' is a genus of orchids commonly called bonnet orchids. The genus name is derived from the Greek word , meaning "riblike branches". This refers to the rib-like stems of many species. The genus is often abbreviated as "Pths" in hor ...

'' subgenus ''Acianthera''. This splitting is a result of recent DNA sequencing.

Species

, Plants of the World Online accepted about 300 species within ''Acianthera'': *'' Acianthera aberrans'' (Luer) Pupulin & Bogarín *'' Acianthera aculeata'' (Luer & Hirtz) Luer *'' Acianthera acuminatipetala'' (A.Samp.) Luer *'' Acianthera adamantinensis'' (Brade) F.Barros *'' Acianthera adeodata'' P.Ortiz, O.Pérez & E.Parra *'' Acianthera adirii'' (Brade) Pridgeon & M.W.Chase *'' Acianthera aechme'' (Luer) Pridgeon & M.W.Chase *'' Acianthera agathophylla'' (Rchb.f.) Pridgeon & M.W.Chase *'' Acianthera alainii'' (Dod) A.Doucette *'' Acianthera albiflora'' (Barb.Rodr.) Karremans *'' Acianthera albopurpurea'' (Kraenzl.) Chiron & Van den Berg *'' Acianthera alpestris'' (Sw.) A.Doucette *'' Acianthera amandae'' Campacci & C.R.M.Silva *'' Acianthera amaralii'' (Pabst) F.Barros & L.R.S.Guim. *'' Acianthera amsleri'' Rykacz., Driessen & Kolan. *'' Acianthera angustifolia'' (Lindl.) Luer *'' Acianthera angustisepala'' (Ames & Correll) Pridgeon & M.W.Chase *'' Acianthera antennata'' (Garay) Pridgeon & M.W.Chase *'' Acianthera aphthosa'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera appendiculata'' (Cogn.) A.Doucette *'' Acianthera asaroides'' (Kraenzl.) Pridgeon & M.W.Chase *'' Acianthera atroglossa'' (Loefgr.) F.Barros & L.R.S.Guim. *'' Acianthera atropurpurea'' (Barb.Rodr.) Chiron & Van den Berg *'' Acianthera auriculata'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera bahorucensis'' (Luer) A.Doucette *'' Acianthera barthelemyi'' (Luer) Karremans *'' Acianthera berlinensis'' Damian, Chiron, Mitidieri & Rimarachin *'' Acianthera beyrodtiana'' (Kraenzl.) Karremans *'' Acianthera bibarbellata'' (Kraenzl.) F.Barros & L.R.S.Guim. *'' Acianthera bicarinata'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera biceps'' (Luer & Hirtz) Luer *'' Acianthera bicornuta'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera bidentata'' (Lindl.) F.Barros & V.T.Rodrigues *'' Acianthera bidentula'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera bilobulata'' Zambrano & Solano *'' Acianthera binotii'' (Regel) Pridgeon & M.W.Chase *'' Acianthera bissei'' (Luer) Luer *'' Acianthera boliviana'' (Rchb.f.) Pridgeon & M.W.Chase *'' Acianthera brachiloba'' (Hoehne) Pridgeon & M.W.Chase *'' Acianthera bragae'' (Ruschi) F.Barros *'' Acianthera breedlovei'' Soto Arenas, Solano & Salazar *'' Acianthera breviflora'' (Lindl.) Luer *'' Acianthera brunnescens'' (Schltr.) Karremans *'' Acianthera bryonii'' Luer *'' Acianthera butcheri'' (L.O.Williams) Pridgeon & M.W.Chase *'' Acianthera cabiriae'' Pupulin, G.A.Rojas & J.D.Zuñiga *'' Acianthera cachensis'' (Ames) Karremans *'' Acianthera caldensis'' (Hoehne & Schltr.) F.Barros *'' Acianthera calopedilon'' Toscano & Luer *'' Acianthera calypso'' (Luer) Karremans & Rinc.-González *'' Acianthera capanemae'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera caparaoensis'' (Brade) Pridgeon & M.W.Chase *'' Acianthera capillaris'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera carcinopsis'' Luer & Sijm *'' Acianthera carinata'' (C.Schweinf.) Luer *'' Acianthera catujiensis'' Campacci & C.R.M.Silva *'' Acianthera caymanensis'' (C.D.Adams) Karremans *'' Acianthera cephalopodiglossa'' Toscano & Luer *'' Acianthera cerberus'' (Luer & R.Vásquez) Pridgeon & M.W.Chase *'' Acianthera chamelopoda'' (Luer) Luer *'' Acianthera chionopa'' (Luer) Pridgeon & M.W.Chase *'' Acianthera chrysantha'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera ciliata'' (Knowles & Westc.) F.Barros & L.R.S.Guim. *'' Acianthera circumplexa'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera cogniauxiana'' (Schltr.) Pridgeon & M.W.Chase *'' Acianthera compressicaulis'' (Dod) Pridgeon & M.W.Chase *'' Acianthera consatae'' (Luer & R.Vásquez) Luer *'' Acianthera cordatifolia'' (Dod) Pridgeon & M.W.Chase *'' Acianthera cornejoi'' Luer *'' Acianthera costabilis'' (Luer & R.Vásquez) Luer *'' Acianthera costaricensis'' (Schltr.) Pupulin & Karremans *'' Acianthera crassilabia'' (Ames & C.Schweinf.) Luer *'' Acianthera cremasta'' (Luer & J.Portilla) Luer *'' Acianthera crepiniana'' (Cogn.) Chiron & Van den Berg *'' Acianthera crinita'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera cryptantha'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera cryptophoranthoides'' (Loefgr.) F.Barros *'' Acianthera decipiens'' (Ames & C.Schweinf.) Pridgeon & M.W.Chase *'' Acianthera decurrens'' (Poepp. & Endl.) Pridgeon & M.W.Chase *'' Acianthera denticulata'' (Cogn.) Karremans *'' Acianthera deserta'' (Luer & R.Vásquez) Luer *'' Acianthera dichroa'' (Rchb.f.) F.Barros & L.R.S.Guim. *'' Acianthera discophylla'' (Luer & Carnevali) Luer *'' Acianthera dodsonii'' (Luer) Karremans & Rinc.-González *'' Acianthera duartei'' (Hoehne) Pridgeon & M.W.Chase *'' Acianthera dubbeldamii'' Luer & Sijm *'' Acianthera dutrae'' (Pabst) C.N.Gonç. & Waechter *'' Acianthera echinocarpa'' (C.Schweinf.) A.Doucette *'' Acianthera echinosa'' Luer & Toscano *'' Acianthera ellipsophylla'' (L.O.Williams) Pridgeon & M.W.Chase *'' Acianthera erebatensis'' (Carnevali & G.A.Romero) Luer *'' Acianthera ericae'' Luer *'' Acianthera erinacea'' (Rchb.f.) A.Doucette *'' Acianthera erosa'' (Urb.) A.Doucette *'' Acianthera erythrogramma'' (Luer & Carnevali) Luer *'' Acianthera esmeraldae'' (Luer & Hirtz) Luer *'' Acianthera exarticulata'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera exdrasii'' (Luer & Toscano) Luer *'' Acianthera eximia'' (L.O.Williams) Solano *'' Acianthera fabiobarrosii'' (Borba & Semir) F.Barros & F.Pinheiro *'' Acianthera fecunda'' Pupulin, G.A.Rojas & J.D.Zuñiga *'' Acianthera fenestrata'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera fernandezii'' Luer *'' Acianthera fockei'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera foetens'' (Lindl.) Chiron & Van den Berg *'' Acianthera fornograndensis'' L.Kollmann & A.P.Fontana *'' Acianthera freyi'' (Luer) F.Barros & V.T.Rodrigues *'' Acianthera fumioi'' (T.Hashim.) Luer *'' Acianthera garciae'' (Luer) Pridgeon & M.W.Chase *'' Acianthera geminicaulina'' (Ames) Pridgeon & M.W.Chase *'' Acianthera gigantea'' (Lindl.) A.Doucette *'' Acianthera glanduligera'' (Lindl.) Luer *'' Acianthera glumacea'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera gouveiae'' (A.Samp.) F.Barros & L.R.S.Guim. *'' Acianthera gracilis'' (Barb.Rodr.) F.Barros & L.R.S.Guim. *'' Acianthera gracilisepala'' (Brade) Luer *'' Acianthera gradeae'' Chiron & Benelli *'' Acianthera granitica'' (Luer & G.A.Romero) Luer *'' Acianthera greenwoodii'' Soto Arenas *'' Acianthera hamata'' Pupulin & G.A.Rojas *'' Acianthera hartwegiifolia'' (H.Wendl. & Kraenzl.) Solano & Soto Arenas *'' Acianthera hastulata'' (Rchb.f. & Warm.) Karremans *'' Acianthera hatschbachii'' (Schltr.) Chiron & Van den Berg *'' Acianthera heliconioides'' (Luer & R.Vásquez) Pridgeon & M.W.Chase *'' Acianthera heliconiscapa'' (Hoehne) F.Barros *'' Acianthera henrici'' (Schltr.) Luer *'' Acianthera heringeri'' (Hoehne) F.Barros *'' Acianthera herrerae'' (Luer) Solano & Soto Arenas *'' Acianthera herzogii'' (Schltr.) Baumbach *'' Acianthera heteropetala'' (Luer) Pridgeon & M.W.Chase *'' Acianthera hintonii'' (L.O.Williams) A.Doucette *'' Acianthera hirsutula'' (Fawc. & Rendle) Pridgeon & M.W.Chase *'' Acianthera hirtipes'' (Schltr.) Rojas-Alv. & Karremans *'' Acianthera hirtzii'' (Luer) Karremans & Rinc.-González *'' Acianthera hoffmannseggiana'' (Rchb.f.) F.Barros *'' Acianthera hondurensis'' (Ames) Pridgeon & M.W.Chase *'' Acianthera hygrophila'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera hystrix'' (Kraenzl.) F.Barros *'' Acianthera imitator'' Toscano, Luer & L.Kollmann *'' Acianthera inaequalis'' (Lindl.) F.Barros & L.R.S.Guim. *'' Acianthera johannensis'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera johnsonii'' (Ames) Pridgeon & M.W.Chase *'' Acianthera jordanensis'' (Brade) F.Barros *'' Acianthera juxtaposita'' (Luer) Luer *'' Acianthera kateora'' (Garay) Karremans & Rinc.-González *'' Acianthera kegelii'' (Rchb.f.) Luer *'' Acianthera klingelfusii'' Luer, Toscano & Baptista *'' Acianthera klotzschiana'' (Rchb.f.) Pridgeon & M.W.Chase *'' Acianthera krahnii'' Luer & Vásquez *'' Acianthera lamia'' (Luer) Pridgeon & M.W.Chase *'' Acianthera langeana'' (Kraenzl.) Pridgeon & M.W.Chase *'' Acianthera lappago'' (Luer) A.Doucette *'' Acianthera laxa'' (Sw.) A.Doucette *'' Acianthera lepidota'' (L.O.Williams) Pridgeon & M.W.Chase *'' Acianthera leptotifolia'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera limae'' (Porto & Brade) Pridgeon & M.W.Chase *'' Acianthera litensis'' (Luer & Hirtz) Luer *'' Acianthera lojae'' (Schltr.) Luer *'' Acianthera lueri'' Kolan. & Szlach. *'' Acianthera luteola'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera macilenta'' Luer & Hirtz *'' Acianthera macropoda'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera macuconensis'' (Barb.Rodr.) F.Barros *'' Acianthera maculiglossa'' Chiron & N.Sanson *'' Acianthera madisonii'' (Luer) Pridgeon & M.W.Chase *'' Acianthera magalhanesii'' (Pabst) F.Barros *'' Acianthera majakoluckae'' Soto Arenas & Solano *'' Acianthera malachantha'' (Rchb.f.) Pridgeon & M.W.Chase *'' Acianthera marleniae'' Damian, Chiron & Mitidieri *'' Acianthera marquesii'' Luer & Toscano *'' Acianthera marumbyana'' (Garay) Luer *'' Acianthera melachila'' (Barb.Rodr.) Luer *'' Acianthera melanochthoda'' (Luer & Hirtz) Pridgeon & M.W.Chase *'' Acianthera melanoglossa'' (Luer & R.Escobar) Luer *'' Acianthera mendozae'' Luer *'' Acianthera mexiae'' (Luer) Pridgeon & M.W.Chase *'' Acianthera micrantha'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera minima'' (Cogn.) F.Barros *'' Acianthera minuta'' (Rolfe) Karremans *'' Acianthera miqueliana'' (H.Focke) Pridgeon & M.W.Chase *'' Acianthera modestissima'' (Rchb.f. & Warm.) Pridgeon & M.W.Chase *'' Acianthera monophylla'' (Hook.) Karremans *'' Acianthera montana'' (Barb.Rodr.) F.Barros & L.R.S.Guim. *'' Acianthera morenoi'' (Luer) Pridgeon & M.W.Chase *'' Acianthera morilloi'' (Carnevali & I.Ramírez) Luer *'' Acianthera moronae'' (Luer & Hirtz) Luer *'' Acianthera murex'' (Rchb.f.) Luer *'' Acianthera murexoidea'' (Pabst) Pridgeon & M.W.Chase *'' Acianthera muscicola'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera muscosa'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera myrticola'' (Barb.Rodr.) F.Barros & L.R.S.Guim. *'' Acianthera nellyae'' (P.Ortiz) Karremans *'' Acianthera nemorosa'' (Barb.Rodr.) F.Barros *'' Acianthera nikoleae'' A.Doucette & J.Portilla *'' Acianthera obscura'' (A.Rich. & Galeotti) Pridgeon & M.W.Chase *'' Acianthera ochreata'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera octophrys'' (Rchb.f.) Pridgeon & M.W.Chase *'' Acianthera odontotepala'' (Rchb.f.) Luer *'' Acianthera ofella'' (Luer) Pridgeon & M.W.Chase *'' Acianthera oligantha'' (Barb.Rodr.) F.Barros *'' Acianthera omissa'' (Luer) Pridgeon & M.W.Chase *'' Acianthera oricola'' (H.Stenzel) Karremans, Chiron & Van den Berg *'' Acianthera oscitans'' (Ames) Pridgeon & M.W.Chase *'' Acianthera pacayana'' (Schltr.) Solano & Soto Arenas *'' Acianthera panduripetala'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera pantasmi'' (Rchb.f.) Pridgeon & M.W.Chase *'' Acianthera pantasmoides'' (C.Schweinf.) Pridgeon & M.W.Chase *'' Acianthera papillosa'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera paradoxa'' (Luer & Dalström) Karremans *'' Acianthera pardipes'' (Rchb.f.) Pridgeon & M.W.Chase *'' Acianthera pariaensis'' (Carnevali & G.A.Romero) Carnevali & G.A.Romero *'' Acianthera parva'' (Rolfe) F.Barros & L.R.S.Guim. *'' Acianthera pavimentata'' (Rchb.f.) Pridgeon & M.W.Chase *'' Acianthera pazii'' Luer *'' Acianthera pectinata'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera pendens'' (Dod) A.Doucette *'' Acianthera per-dusenii'' (Hoehne) F.Barros & L.R.S.Guim. *'' Acianthera pernambucensis'' (Rolfe) F.Barros *'' Acianthera phoenicoptera'' (Carnevali & G.A.Romero) Luer *'' Acianthera phrynoglossa'' (Luer & Hirtz) A.Doucette *'' Acianthera platystachys'' (Regel) Chiron & Van den Berg *'' Acianthera pollardiana'' Solano *'' Acianthera polystachya'' (Ruiz & Pav.) Pupulin *'' Acianthera portilloi'' (Luer & R.Escobar) Karremans & Rinc.-González *'' Acianthera privigna'' (Luer) A.Doucette *'' Acianthera prognatha'' (Luer & R.Escobar) Pridgeon & M.W.Chase *'' Acianthera prolifera'' (Herb. ex Lindl.) Pridgeon & M.W.Chase *'' Acianthera prostrata'' (Lindl.) A.Doucette *'' Acianthera pubescens'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera punctatiflora'' (Luer) Pridgeon & M.W.Chase *'' Acianthera punicea'' (Luer) Pridgeon & M.W.Chase *'' Acianthera purpurascens'' (Luer & Hirtz) Karremans *'' Acianthera purpureoviolacea'' (Cogn.) F.Barros *'' Acianthera pustulata'' Zambrano & Solano *'' Acianthera quadricristata'' (Luer & Hirtz) Luer *'' Acianthera quadriserrata'' (Luer) Pridgeon & M.W.Chase *'' Acianthera quisqueyana'' (Dod) A.Doucette *'' Acianthera ramosa'' (Barb.Rodr.) F.Barros *'' Acianthera recurva'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera rinkei'' Luer *'' Acianthera rodolfovasquezii'' Damian *'' Acianthera rodrigoi'' (Luer) Luer *'' Acianthera rodriguesii'' (Cogn.) Pridgeon & M.W.Chase *'' Acianthera rostellata'' (Barb.Rodr.) Luer *'' Acianthera rubroviridis'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera ruizii'' Damian *'' Acianthera sandaliorum'' (G.A.Romero & Carnevali) Luer *'' Acianthera saraca-taquerensis'' Campacci & J.B.F.Silva *'' Acianthera sarcosepala'' (Carnevali & I.Ramírez) Carnevali & G.A.Romero *'' Acianthera saundersiana'' (Rchb.f.) Pridgeon & M.W.Chase *'' Acianthera saurocephala'' (G.Lodd.) Pridgeon & M.W.Chase *'' Acianthera scabripes'' (Lindl.) Karremans *'' Acianthera scalpricaulis'' (Luer) Pridgeon & M.W.Chase *'' Acianthera serpentula'' (Barb.Rodr.) F.Barros *'' Acianthera serratifolia'' Rinc.-González & Karremans *'' Acianthera serrulata'' (Barb.Rodr.) Karremans *'' Acianthera serrulatipetala'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera sicaria'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera sicariopsis'' (Luer) Pridgeon & M.W.Chase *'' Acianthera sicula'' (Luer & R.Vásquez) Luer *'' Acianthera sigmoidea'' (Ames & C.Schweinf.) A.Doucette *'' Acianthera silvae'' (Luer & Toscano) Luer *'' Acianthera similis'' (Schltr.) Karremans, Chiron & Van den Berg *'' Acianthera simpliciflora'' (Dod) A.Doucette *'' Acianthera sonderiana'' (Rchb.f.) Pridgeon & M.W.Chase *'' Acianthera sotoana'' Solano *'' Acianthera stenzelii'' Luer *'' Acianthera strupifolia'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera subrotundifolia'' (Cogn.) F.Barros & V.T.Rodrigues *'' Acianthera sudae'' J.Ponert, Chumová, Mandáková & P.Trávn. *'' Acianthera sulcata'' (Porsch) F.Barros & V.T.Rodrigues *'' Acianthera sulphurea'' (Barb.Rodr.) F.Barros & V.T.Rodrigues *'' Acianthera tanyae'' Luer & Cornejo *'' Acianthera teres'' (Lindl.) Borba *'' Acianthera testifolia'' (Sw.) Solano *'' Acianthera thysana'' (Luer & J.Portilla) Karremans *'' Acianthera tikalensis'' (Correll & C.Schweinf.) Pridgeon & M.W.Chase *'' Acianthera toachica'' (Luer & Dodson) Luer *'' Acianthera tokachii'' (Luer) Luer *'' Acianthera translucida'' (Barb.Rodr.) Luer *'' Acianthera tricarinata'' (Poepp. & Endl.) Pridgeon & M.W.Chase *'' Acianthera trichophora'' (Lindl.) A.Doucette *'' Acianthera tristis'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera tunguraguae'' (F.Lehm. & Kraenzl.) A.Doucette *'' Acianthera unguicallosa'' (Ames & C.Schweinf.) Solano *'' Acianthera variegata'' (Barb.Rodr.) Campacci *'' Acianthera venulosa'' Luer *'' Acianthera verecunda'' (Schltr.) Pridgeon & M.W.Chase *'' Acianthera villahermosae'' Sierra-Ariza, Rinc.-González & Karremans *'' Acianthera violacea'' (A.Rich. & Galeotti) Pridgeon & M.W.Chase *'' Acianthera violaceomaculata'' (Hoehne) Pridgeon & M.W.Chase *'' Acianthera viridis'' (Luer & Hirtz) Luer *'' Acianthera wageneriana'' (Klotzsch) Pridgeon & M.W.Chase *'' Acianthera wawraeana'' (Barb.Rodr.) F.Barros & V.T.Rodrigues *'' Acianthera welsiae-windischiae'' (Pabst) Pridgeon & M.W.Chase *'' Acianthera wilsonii'' (Lindl.) Pridgeon & M.W.Chase *'' Acianthera wyvern'' (Luer & R.Escobar) Pridgeon & M.W.Chase *'' Acianthera yauaperyensis'' (Barb.Rodr.) Pridgeon & M.W.Chase *'' Acianthera zumbae'' (Luer & Hirtz) Luer

References

External links

* * {{Taxonbar, from=Q28095 Pleurothallidinae genera