Pleurothallis hirsutula Fawc. & Rendle 1909 SUBGENUS Acianthera [Scheidw.] Luer 1986

Photo courtesy of Dale and Deni Borders.

Drawing

Drawing by Carl Luer

to LATER THROUGH

Common Name The Rough Pleurothallis

Found in Hollymont, St James and Clarendon parishes of Jamaica at elevations of 800 to 1000 meters as a caespitose, small sized, warm growing, shortly repent epiphyte with an erect ramicaul enveloped by 3 narrow sheaths the lowermost 2 covered by reddish brown setae and carrying a single, apical, erect, coriaceous, sessile, coriaceous, narrowly lanceolate-ligulate to elliptic, acuminate, gradually narrowing below into the petiolate base leaf that blooms in the later spring through summer on 1 to 5, pendulous, shorter than the leaf, filiform, zigzag, 1.8" [4.5 cm] long, racemose, laxly few to 6 flowered inflorescence with shorter to as long as the ovary floral bracts.

Unusual with the ramicauls clad in three or four, more or less evenly spaced, pubescent sheaths. The racemes, bearing several, dark purple flowers are only half as long as the narrow, sessile leaves. The sepals are fleshy and glabrous , the petals are minutely erose with the apex acute and the lip is basically similar to the other species in the subgenus, but the inner surfaces and calli are densely cellular-spiculate." Luer 2004

Synonyms Acianthera hirsutula (Fawc. & Rendle) Pridgeon & M.W.Chase 2001

References W3 Tropicos, Kew Monocot list , IPNI ;

*J . Bot. 47: 3 Fawcett & Rendle 1909;

Symbolae Antillanae Vol VI Orchidaceae Urban 1909;

Flora of Jamaica Fawcett & Rendle 1910 ;

Flora of Jamaica Fawcett & Rendle 1910 drawing fide;

Icones Pleurothallidinarum Vol III Systematics of Pleurothallis Luer 1986;

Orchids of Jamaica Gloudon & Tobisch 1995;

Orchidaceae Antillanae Nir 2000;

Lindleyana Vol 16 No 4:244 Pridgeon & M.W.Chase 2001 as Acianthera hirsutula;

Icones Pleurothallidinarum Vol XXVI Pleurothallis subgenus Acianthera and Three Allied subgenera, A Second Century of new Species of Stelis of Ecuador, Epibator, Ophidion and Zootrophion Luer 2004

Icones Pleurothallidinarum Vol XXVI Pleurothallis subgenus Acianthera and Three Allied subgenera, A Second Century of new Species of Stelis of Ecuador, Epibator, Ophidion and Zootrophion Luer 2004 drawing fide;

Orchid Flora of the Greater Antilles Ackerman 2014

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