Pleurothallis wilsonii Lindl. 1858 SUBGENUS Acianthera SECTION Brachystachyae Lindley 1859

Photo by © Wiel Driessen

Full shade Hot Warm Winter Spring Summer Fall

Common Name Wilson's Pleurothallis

Flower Size

Found in Cuba, Dominican Republic, Puerto Rico, Jamaica, the Leeward Islands, Venezuela and Ecuador in moist and wet broadleaved foress at elevations of 100 to 950 meters as a miniature sized, hot to warm growing, long repent epiphyte or lithophyte with slender, erect ramicauls enveloped basally by a sheath with another below the middle, and carrying an erect, coriaceous, cuneate, ovate to narrowly ellitpical, acute cuneate below into the sessile base leaf that blooms at most any time of the year on a terminal, arising through a spathe, peduncle .08 to .12" [2 to 3 mm] long, racemose, 1 to 2 flowered inflorescence with as long as the ovary and pedicel floral bracts.

CAUTION !!!Similar to and often relegated to being a synonym of P angustifolia, P wilsonii has a wider synsepal and a wider, apically rounded lip while P angustifolia has a narrower synsepal and a narrower lip with an obtuse apex.

Synonyms Acianthera wilsonii (Lindl.) Pridgeon & M.W.Chase 2001; Humboldtia wilsonii (Lindl.) Kuntze 1891; Pleurothallis confusa Fawc. & Rendle 1909; Pleurothallis wilsonii var. quentiniana Stehlé 1939; Pleurothallis wilsonii var. typica Stehlé 1939

References W3 Tropicos, Kew Monocot list , IPNI ;

* Ann. Mag. Nat. Hist., ser. 3, 1: 326 Lindley 1858;

Symbolae Antillanae Vol VI Orchidaceae Urban 1909 as P confusa;

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;

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 Pleurothallidinarum Vol III Systematics of Pleurothallis Luer 1986;

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 4:247 Pridgeon & M.W.Chase2001 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;

Orchid Flora of the Greater Antilles Ackerman 2014 as P angustifolia not;

Pleurothallids Neotropical Jewels Vol 1 Karremans & Viera 2020 as Acianthera wilsonii photo fide

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