Pleurothallis angustifolia Lindl. 1836 SUBGENUS Acianthera SECTION Brachystachyae Lindley 1859 Photo by © Byron Rinke.

Another Flower Photo courtesy of Noble Bashor.

LATER

Common Name The Thin Leafed Pleurothallis

Flower Size 1/5" [5 mm]

Found as a miniature sized, hot to warm growing epiphyte in Mexico, Guatemala, Belize, Cuba, Dominican Republic, Puerto Rico, Jamaica, Leewards, Windwards Venezuela and Ecuador in wet montane forests at elevations of 365 to 2000 meters, along streams as an epiphytic on dry mossy trees with a creeping rhizome with well spaced, ascending ramicauls carrying a single, apical, reddish, fleshy-coriaceous, lanceolate, acute and tridentate apically leaf that blooms in the later summer and fall on an apical, short to 1/2" [1.25 cm] long, pendulous, fasciculcate single to three flowered inflorescence that is held close to the leaf.

Good distinguishing factors for this species are small plant with creeping rhizome with well spaced ramicauls carrying a lanceolate leaf and has a bicallose lip indicated by the arrows in the second photo, with two lateral lobules at the base.

Synonyms Acianthera angustifolia (Lindl.) Luer 2007; Acianthera wilsonii (Lindl.) Pridgeon & M.W.Chase 2001; Humboldtia angustifolia (Lindl.) Kuntze 1891; Humboldtia wilsonii (Lindl.) Kuntze 1891; Pleurothallis carioi Schltr. 1918; Pleurothallis confusa Fawc. & Rendle 1909; Pleurothallis wilsonii Lindl. 1858; Pleurothallis wilsonii var. quentiniana Stehlé 1939; Pleurothallis wilsonii var. typica Stehlé 1939

References Symbolae Antillanae Vol VI Orchidaceae Urban 1909 as P wilsoni; Symbolae Antillanae Vol VI Orchidaceae Urban 1909 as P confusa; Flora of Jamaica Fawcett & Rendle 1910 as P wilsonii drawing good; Flore Descriptive des Antilles Francaises H. Stehle 1939 as P wilsonii var quentiniana; Orchids of Guatemala and Belize Ames & Correll 1952 as P carioi; Flora de Venezuela Foldats Volumen XV Part 2 1970 as P wilsoni drawing fide; Flora of the Lesser Antilles Garay & Sweet 1974 as P wilsoni; An Orchid Flora Of Puerto Rico and the Virgin Islands Ackerman 1995 as P wilsoni drawing fide Icones Planetarum Tropicarum plate 1087 Dodson 1984 as Pleurothallis carioi drawing good; Systematics of Pleurothallis Vol 3 Luer 1986 as Pleurothallis wilsonii; Catologo Descriptivo de Las Orquideas Cubanas Acuna 1987 as P wilsoni; Catologo Descriptivo de Las Orquideas Cubanas Acuna 1987 as P confusa; An Orchid Flora Of Puerto Rico and the Virgin Islands Ackerman 1995 as P wilsonii drawing fide; Orchids of Jamaica Gloudon & Tobisch 1995 as P wilsonii photo ok; Orchidaceae Antillanae Nir 2000 as P wilsonii photo ok; Lindleyana Vol 16 No 4 2001 as Acianthera wilsonii; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003 as P wilsonii; Systematics and evolution of the genus Pleurothallis R. Br. (Orchidaceae) in the Greater Antilles Hagen Stenzel 2004 as P wilsonii drawing fide; Icones Pleurothallidinarum Vol XXVI Luer 2004 drawing fide; Orchids of Mexico Hagsater, Soto, Salazar, Jimenez Lopez & Dressler 2005 as Acianthera angustifolia; Icones Pleurothallidinarum Vol XXIX Luer 2007 as Acianthera angustifolia; Orchid Flora of the Greater Antilles Ackerman 2014

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