SUBGENUS Acianthera [Scheidw.] Luer 1986
Synonyms SUBGENUS Acianthera SECTION Brachystachyae Lindley 1859; SUBGENUS Acianthera SECTION Sicariae SUBSECTION Pectinatae Luer 1986; SUBGENUS Acianthera SECTION Sicariae SUBSECTION Sicariae Luer 1986; SUBGENUS Acianthera SECTION Tomentosae Luer 1986; SUBGENUS Acianthera SECTION Tricarinatae Luer 1986
Characterized by the slender to stout, long or short, terete or compessed ramicaul and a sessile leaf. The habit is repent or caespitose. The inflorescence, long or short, is usually simultaneously flowered or single flowered, and emerges terminally at the apex of the ramicaul. The sepals are more or less fleshy and commonly pubescent or verrucose. The dorsal sepal is usually connate only at the base to the lateral sepals which are connate into a synsepal. The petals are small and denticulate to some degree. The lip is thick, oblong, bicallous, with lateral lobes or angles below the middle and a truncate base that is often minutely lobulate at each corner. The column is terete, often winged with the anther and stigma ventral.
- Pleurothallis aculeata Luer & Hirtz 1996 Ecuador
- Pleurothallis acuminatipetala A.Samp. 1916 Brazil
- Pleurothallis adamantinensis Brade 1939 Brazil
- Pleurothallis adeodata [P. Ortiz, O. Pérez & E. Parra] comb novo Pfahl 2012 Colombia
- Pleurothallis aechme Luer 1976 Ecuador
- Pleurothallis agathophylla Rchb.f. 1881 Peru Bolivia and Brazil
- Pleurothallis alborosea (Kraenzl.) Porto & Brade 1935 Brazil
- Pleurothallis alligatorifera Rchb. f. 1865 Brazil
- Pleurothallis amaralii Pabst 1976 Brazil
- Pleurothallis amsleri [Rykacz., Driessen & Kolan.] in ed. Brazil
- Pleurothallis angustifolia Lindl. 1836 Nicaragua, Honduras, Guatemala, Belize and Mexico
- Pleurothallis angustisepala Ames & Correll 1942 Mexico, Belize and Guatemala
- Pleurothallis antennata Garay 1953 Brazil
- Pleurothallis aphthosa Lindl.1838 Colombia, Ecuador, Peru, Bolivia, Brazil and Paraguay
- Pleurothallis atrata [Chiron & Xim.Bols.] in ed. Brazil
- Pleurothallis atroglossa Loefgr. 1918 Brazil
- Pleurothallis aurantiaca Barb.Rodr. 1877 Brazil
- Pleurothallis aurantiolateritia Speg. 1916 Brazil, Bolivia and Argentina
- Pleurothallis aveniformis Hoehne 1950 Brazil
- Pleurothallis barthelemyi Luer 1994 publ. 1995 French Guiana
- Pleurothallis bicarinata Lindl. 1939 Brazil
- Pleurothallis biceps Luer & Hirtz 1996 Ecuador
- Pleurothallis bicornuta (Barb.Rodr.) Cogn. 1896 Brazil
- Pleurothallis bidentata Lindl. 1835 Rio de Janiero Brazil
- Pleurothallis bidentula Barb.Rodr. 1881 Brazil
- Pleurothallis binotii Regel 1880 Brazil
- Pleurothallis bissei Luer 1999 Cuba
- Pleurothallis bohnkiana [Campacci & Baptista] comb novo Pfahl 2012 Braxzil
- Pleurothallis boliviana Rchb.f. 1855 Bolivia
- Pleurothallis breedlovei [Soto Arenas, Solano and Salazar] in ed Mexico
- Pleurothallis breviflora Lindl. 1841 Mexico
- Pleurothallis bryonii [Luer]in ed. Ecuador
- Pleurothallis cabiriae [Pupulin, G.A.Rojas & J.D.Zuñiga] in ed. Costa Rica
- Pleurothallis calopedilon Toscano & Luer] in ed. Brazil
- Pleurothallis calypso Luer 1980 Ecuador and Peru
- Pleurothallis capanemae Barb.Rodr. 1881 Brazil
- Pleurothallis caparaoensis Brade 1943 Brazil
- Pleurothallis carinata C.Schweinf. 1951 Peru
- Pleurothallis casapensis Lindl. 1842 Colombia, Ecuador, Peru, Bolivia and Venezuela
- Pleurothallis catharinensis Cogn. 1896 Brazil
- Pleurothallis catujiensis [Campacci & Silva] in ed. Brazil
- Pleurothallis cephalopodiglossa [Toscanp & Luer] in ed. Brazil
- Pleurothallis cerberus Luer & R.Vásquez 1980 Bolivia
- Pleurothallis chamelopoda Luer 1996 Colombia
- Pleurothallis chamensis Lindl. 1846 Venezuela and Colombia
- Pleurothallis chionopa Luer 1980 Colombia and Ecuador
- Pleurothallis chrysantha Lindl. 1859 Mexico
- Pleurothallis ciliata Knowles ex Westc.1837 Colombia, Ecuador, Peru and northern Brazil
- Pleurothallis circumplexa Lindl. 1838 Mexico, Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica
- Pleurothallis cogniauxiana Schltr. 1907 Nicaragua, Costa Rica and Panama
- Pleurothallis compressicaulis Dod 1984 Haiti and the Dominican Republic
- Pleurothallis consatae Luer & R.Vásquez 1999 Bolivia
- Pleurothallis cordatifolia Dod 1976 Dominican Republic
- Pleurothallis cornejoi [Luer] in ed. Ecuador
- Pleurothallis costabilis Luer & R.Vásquez 1991 Bolivia
- Pleurothallis crassilabia Ames & C.Schweinf. 1925 Costa Rica
- Pleurothallis cremasta Luer & J.Portilla 2001 Ecuador
- Pleurothallis crinita Barb. Rodr. 1877 Brazil
- Pleurothallis cristata (Barb.Rodr.) Cogn. 1896 Brazil
- Pleurothallis cryptantha Barb.Rodr.1877 Brazil
- Pleurothallis cryptophoranthoides Loefgr. 1918 Brazil
- Pleurothallis cymbiformis Dod 1984 Dominican Republic
- Pleurothallis decipiens Ames & C. Schweinf. 1925 Costa Rica, Panama, Ecuador and Venezuela
- Pleurothallis decurrens Poepp. & Endl. 1836 Colombia, Peru and Ecuador
- Pleurothallis deserta Luer & R. Vásquez 1999 Ecuador & Bolivia
- Pleurothallis deuterodubbeldamii [Luer & Sijm] in ed Colombia
- Pleurothallis deuteroklingelfusii [Luer & Toscano] in ed Brazil
- Pleurothallis discophylla Luer & Carnevali 1993 Venezuela , Ecuador, Peru, Bolivia and Brazil
- Pleurothallis dodsonii Luer 1976 Ecuador
Pleurothallis echinocarpa C.Schweinf. 1942 Ecuador, Peru
- Pleurothallis echinosa [Luer & Toscano] in ed. Brazil
- Pleurothallis ellipsophylla L.O.Williams 1942 Costa Rica and Panama
- Pleurothallis ericae [Luer] in ed. Peru
- Pleurothallis erythrogramma Luer & Carnevali 1993 Ecuador and Peru
- Pleurothallis esmeraldae Luer & Hirtz 1996 Ecuador
- Pleurothallis exarticulata Barb. Rodr. 1881 Brazil
- Pleurothallis exdrasii Luer & Toscano 2002 Brazil
- Pleurothallis eximia L.O.Williams 1942 Mexico
- Pleurothallis fabiobarrosii Borba & Semir 2000 Brazil
- Pleurothallis fecunda [Pupulin, G.A.Rojas & J.D.Zuñiga] comb. novo.
Pfahl 2013 Costa Rica
- Pleurothallis fenestrata Barb.Rodr. 1881 Brazil
- Pleurothallis fernandezii [Luer] comb. novo. Pfahl 2013 Peru
- Pleurothallis fockei Lindl. 1859 Brazil, Surinam and Venezuela
- Pleurothallis foetens Lindl. 1843 Brazil
- Pleurothallis fornograndensis [L.Kollmann & A.P.Fontana] comb. novo. Pfahl 2013 Brazil
- Pleurothallis fumioi T.Hashim. 1971 Peru
- Pleurothallis garciae Luer 1999 Venezuela
- Pleurothallis geminicaulina Ames 1923 Costa Rica, Panama, Colombia and Ecuador
- Pleurothallis glanduligera Lindl. 1836 Brazil
- Pleurothallis glumacea Lindl. 1836 Brazil
- Pleurothallis gouveiae A.Samp. 1916 Brazil
- Pleurothallis gracilisepala Brade 1951 Brazil
- Pleurothallis granitica Luer & G.A.Romero in G.A.Romero & G.Carnevali 2000 Venezuela
- Pleurothallis greenwoodii [Soto Arenas] in ed. mEXICO
- Pleurothallis guimaraensii Brade 1943 Brazil
- Pleurothallis hamosa Barb. Rodr. 1881 Brazil
Pleurothallis hartwegiifolia H.Wendl. & Kraenzl 1900 Mexico
- Pleurothallis hastulata Rchb.f. & Warm. 1881 Brazil
- Pleurothallis heliconioides Luer & R.Vásquez 1980 Bolivia
- Pleurothallis henrici Schltr. 1921 Ecuador
- Pleurothallis heringeri Hoehne 1946 Brazil
- Pleurothallis herrerae Luer 1991 Guatemala
- Pleurothallis heteropetala Luer 1976 Ecuador
- Pleurothallis hirsutula Fawc. & Rendle Jamaica
- Pleurothallis hoffmannseggiana Rchb. f. 1849 Brazil
- Pleurothallis hondurensis Ames 1924 Belize, Guatemala, Honduras and Nicaragua
- Pleurothallis hymenantha Lindl. 1835 Brazil, Cuba
- Pleurothallis javieri [Archila] comb novo Pfahl 2013 Guatemala
- Pleurothallis johannensis Barb. Rodr. 1881 Brazil
- Pleurothallis johnsonii Ames 1923 Mexico, Guatemala, El Salvador, Honduras, Costa Rica and Panama
- Pleurothallis jordanensis Hoehne 1929 Brazil
- Pleurothallis juxtaposita Luer 1991 Panama
- Pleurothallis karlii Pabst 1956 Brazil
- Pleurothallis kateora (Garay) Luer 1981 Colombia
- Pleurothallis kegelii Rchb.f. 1877 Surinam and Fr Guiana
- Pleurothallis klingelfusii [Luer, Toscano & Baptista] ined Brazil
- Pleurothallis klotzschiana Rchb.f. 1850 Brazil
- Pleurothallis krahnii [Luer & Vásquez] comb novo Pfahl 2013 Bolivia
- Pleurothallis lamia Luer 1979 Ecuador
- Pleurothallis lanceana Lodd. 1831 Costa Rica, Panama, Colombia, Ecuador, Peru, Bolivia and Venezuela as well as Trinidad
- Pleurothallis langeana Kraenzl. 1911 Brazil
- Pleurothallis lateralis L.O.Williams 1956 Costa Rica
- Pleurothallis leptotifolia Barb. Rodr. 1877 Brazil
- Pleurothallis limae Porto & Brade 1940 Brazil
- Pleurothallis litensis Luer & Hirtz 2001 Ecuador
- Pleurothallis lojae Schltr. 1921 Costa Rica, Panama, Colombia, Ecuador, Peru and Bolivia
- Pleurothallis luteola Lindl. 1841 Brazil
- Pleurothallis macilenta [Luer & Hirtz] in ed. Ecuadopr
- Pleurothallis macropoda Barb. Rodr. 1881 Brazil
- Pleurothallis macuconensis Barb.Rodr. 1881 Brazil
- Pleurothallis madisonii Luer 1979 Ecuador
- Pleurothallis magalhaesii Pabst 1975 Brazil
- Pleurothallis markii [Archila] comb novo Pfahl 2013 Guatemala
- Pleurothallis marleniae [Damian, Chiron & Mitidieri] in ed. Peru
- Pleurothallis marquesii [Luer & Toscano] in ed. Brazil
- Pleurothallis marumbyana Garay 1953 Brazil
- Pleurothallis melachila Barb.Rodr.1881 Brazil
- Pleurothallis melanochthoda Luer & Hirtz 1996 Ecuador, Peru
- Pleurothallis melanoglossa Luer & R.Escobar 1996 Colombia
- Pleurothallis mendozae [Luer] comb. novo. Pfahl 2013 Bolivia
- Pleurothallis mexiae Luer 1999 Peru
- Pleurothallis micrantha Barb.Rodr. 1881 Brazil
- Pleurothallis miguelii Schltr. 1913 Dominican Republic
- Pleurothallis minimifolia Luer 1986 Brazil
- Pleurothallis miqueliana (H.Focke) Lindl. 1859 Ecuador, Peru, Venezuela, Guyana, Fr Guiana, Surinam and Brazil
- Pleurothallis modestissima Rchb.f. & Warm. 1881 Brazil
- Pleurothallis montana Barb.Rodr. 1877 Brazil
- Pleurothallis morenoi Luer 1979 Bolivia
- Pleurothallis morilloi Carnevali & I.Ramírez 1993 Venezuela
- Pleurothallis moronae Luer & Hirtz 1996 Ecuador
- Pleurothallis murex Rchb.f. 1865 Cuba
- Pleurothallis murexoidea Pabst 1956 Brazil
- Pleurothallis muscicola Barb.Rodr. 1877 Brazil
- Pleurothallis nanella Luer & Hirtz 2003 Ecuador
- Pleurothallis nemorosa Barb.Rodr. 1877 Brazil
- Pleurothallis neobilobulata [Zambrano & Solano] in ed Ecuador
- Pleurothallis neohamata ined. Costa Rica
- Pleurothallis neojordanensis Luer 1986 Venezuela, Ecuador and Brazil
- Pleurothallis obscura A. Rich. & Galeotti 1845 Mexico
- Pleurothallis ochreata Lindl. 1835 Brazil
- Pleurothallis octophrys Rchb.f. 1876 Brazil
- Pleurothallis odontotepala Rchb.f. 1865 Cuba Jamaica
- Pleurothallis ofella Luer 1982 Ecuador
- Pleurothallis oligantha Barb.Rodr. 1881 Brazil
- Pleurothallis omissa Luer 1999 Venezuela
Pleurothallis oricola H.Stenzel 2002 Cuba
- Pleurothallis pacayana Schltr. 1925 Guatemala and Costa Rica
- Pleurothallis panduripetala Barb.Rodr. 1881 Brazil
- Pleurothallis pantasmi Rchb.f.1855 Nicaragua, Costa Rica and Ecuador
- Pleurothallis pantasmoides C.Schweinf. 1951 Ecuador and Peru
- Pleurothallis papillosa Lindl. 1835 Brazil
- Pleurothallis papulifolia Luer 1999 Cuba
- Pleurothallis paradoxa Luer & Dalström 1996 Ecuador
- Pleurothallis pardipes Rchb. f. 1872 Brazil
- Pleurothallis pazii [Luer ] comb novo Pfahl 2013 Colombia
- Pleurothallis pectinata Lindl. 1839 Bolivia and Brazil
- Pleurothallis per-dusenii Hoehne 1936 Brazil
- Pleurothallis phoenicoptera Carnevali & G.A.Romero 1994 Venezuela
- Pleurothallis phyllostachys Schltr. 1921 Peru
- Pleurothallis platystachys Regel 1888 Brazil
- Pleurothallis pollardiana Solano in ed. Mexico
- Pleurothallis portilloi Luer & R.Escobar 1982 Colombia
- Pleurothallis prognatha Luer & R.Escobar 1983 Colombia
- Pleurothallis prolifera Herb. ex Lindl. 1830 Guyana, Venezuela, Bolivia and Brazil
- Pleurothallis pubescens Lindl. 1836 Dominican Republic, Puerto Rica, Mexico, Guatemala, Honduras, Nicaragua, Costa Rica, Panama, French Guiana, Surinam, Venezuela, Colombia, Ecuador, Peru, Brazil, Paraguay and Argentina
- Pleurothallis punctatiflora Luer 1986 Brazil
- Pleurothallis punicea Luer 1975 Ecuador
- Pleurothallis purpurascens Luer & Hirtz 1996 Ecuador
- Pleurothallis pustulata [Zambrano & Solano] in ed. Ecuador
- Pleurothallis quadricristata Luer & Hirtz 2003
- Pleurothallis quadriserrata Luer 1975 Ecuador
- Pleurothallis raduliglossa Pabst 1962 Brazil
- Pleurothallis ramosa Barb.Rodr.1881 Brazil
- Pleurothallis recurva Lindl. 1841 Ecuador, Bolivia and Brazil
- Pleurothallis rinkei [Luer] comb novo Pfahl 2012 Ecuador
- Pleurothallis rodolfo-vasquezii [Damian] in ed. Peru
- Pleurothallis rodrigoi Luer 2003 Colombia
- Pleurothallis rodriguesii Cogn. 1896 Brazil
- Pleurothallis rostellata Barb.Rodr. 1877 Brazil
- Pleurothallis rubroviridis Lindl. 1858 Cuba, Venezuela, Colombia, Ecuador and Peru
- Pleurothallis ruizii [Damian] in ed. Peru
- Pleurothallis sabinoana [Pridgeon, A.M., Cribb, P.J., Chase, M.C. & Rasmussen, F.N.] ined. Brzil
- Pleurothallis sandaliorum G.A.Romero & Carnevali 2000 Venezuela
- Pleurothallis saraca-taquerensis [Campacci & Silva] in ed. Brazil
- Pleurothallis sarcosepala Carnevali & I.Ramírez 2000 Venezuela
- Pleurothallis saundersiana Rchb.f. 1866 Colombia, Bolivia, Peru and southeastern Brazil
- Pleurothallis saurocephala Lodd. 1833 Brazil
- Pleurothallis scabripes Lindl. 1839 Brazil
- Pleurothallis scalpricaulis Luer 1976 Bolivia, Peru and Ecuador
- Pleurothallis serpentula Barb.Rodr.1881 Brazil
- Pleurothallis serrulatipetala Barb.Rodr.1881 Brazil
- Pleurothallis serrulata (Barb.Rodr.) Luer, 1981 Brazil
- Pleurothallis sicaria Lindl 1849 Costa Rica, Panama, Colombia, Ecuador and Venezuela
- Pleurothallis sicariopsis Luer 1981 Ecuador
- Pleurothallis sicula Luer & R.Vásquez 1997 publ. 1998 Ecuador and Bolivia
- Pleurothallis silvae Luer & Toscano 2002 Brazil
- Pleurothallis simpliciflora Dod 1977 Dominican Republic
- Pleurothallis sonderana Rchb. f. 1849 Brazil
- Pleurothallis sotoanum[Solano} In ed. Vera Cruz, Oaxaca and Chiapas states of Mexico
- Pleurothallis strupifolia Lindl. 1839 Brazil
- Pleurothallis sulcata Porsch 1905 Brazil
- Pleurothallis tanyae [Luer & Cornejo] in ed. Ecuador
- Pleurothallis teres Lindl. 1836 Brazil
- Pleurothallis testifolia (Sw.) Lindl. 1858 Guatemala, Honduras, Costa Rica, Cuba, Dominican Republic, Jamaica, Windwards, Surinam Venezuela and Colombia
- Pleurothallis tikalensis Correll & C. Schweinf. 1965 Mexico, Belize and Guatemala
- Pleurothallis toachica Luer & Dodson 1996 Ecuador
- Pleurothallis tokachii Luer 1997 Peru
- Pleurothallis translucida Barb.Rodr. 1881 Brazil
- Pleurothallis tricarinata Poepp. & Endl. 1836 Ecuador, Peru, Bolivia, and Brazil
- Pleurothallis tristis Barb.Rodr. 1882 Brazil
- Pleurothallis unguicallosa Ames & C.Schweinf. 1930 Mexico
- Pleurothallis vandenbergii (Chiron) J.M.H.Shaw 2014 Brazil
- Pleurothallis variegata Barb.Rodr. 1877 Brazil
- Pleurothallis venulosa Luer & R.Vásquez 2004 Bolivia
First published in Richardiana 13: 278 (2013
- Pleurothallis verecunda Schltr. 1922 Guatemala, Nicaragua, Costa Rica, Panama and Ecuador
- Pleurothallis violacea A.Rich. & Galeotti 1845 Mexico, Guatemala and El Salvador
- Pleurothallis violaceomaculata Hoehne 1952 Brazil
- Pleurothallis viridis Luer & Hirtz 1996 Ecuador
- Pleurothallis wageneriana Klotzsch 1852 Colombia, Ecuador, Peru, Bolivia, Venezuela and Brazil
- Pleurothallis welsiae-windischiae Pabst 1978 Brazil
- Pleurothallis wilsonii Lindl. 1858
- Pleurothallis wyvern Luer & R.Escobar 1981 Colombia and Ecuador
- Pleurothallis yauaperyensis Barb.Rodr. 1891 Trinidad & Tobago, Venezuela, Guyana, Fr Guiana, Surinam and northern Brazil
- Pleurothallis zumbae Luer & Hirtz 2003 Ecuador
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