Houlletia roraimensis Rolfe 1901 Photo by © Gunter Gerlach and His Stanhopinae Website

Deep Shade Cool Winter

Common Name The Roirama Houlletia [Mountain in SE Venezuela]

Flower Size

Found in southeastern Venezuela and Guyana in forested slopes and tepui summits at elevations of 1900 to 2300 meters as a medium to large sized, cool growing, unifoliate terrestrial with ovoid-pyriform, lightly compressed, acute angled edge pseudobulb that is almost completely enveloped by imbricating basal sheaths with a single, narrowly lanceolate, plicate, acuminate, 7 ribbed leaf with a channeled petiole at the base that blooms in the winter on a robust, erect, basal, 1' [30 cm] long, racemose, several flowered inflorescence with a fractiflex rachis, arising on a mature pseudobulb.

Synonyms Jennyella roraimensis (Rolfe) Lückel & Baumbach 2007 publ. 2008

ReferencesW3 Tropicos, Kew Monocot list , IPNI ; Flora Brasilica Vol XII VI Hoehne 1942; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003 drawing

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