!Hylaeorchis petiolaris (Schltr.) Carnevali & G.A. Romero 2000 Photo courtesy of © Dalton Holland Baptista and ©

Plant and Flowers Photo courtesy of G.C.K. Dunsterville Copyright ©, and the Dr Leslie Garay Archives

Part Shade Warm TO Hot

This is the Type Photo.

Common Name The Stemmed Hylaeorchis

Flower Size .4" [1 cm]

Found in the Amazonas region of Venezuela, Colombia, Ecuador, Peru and Brazil in lowland to montane forests at elevations of 160 to 1000 meters as a miniature sized, hot to warm growing epiphyte with a sheath covered rhizome carrying clustered, ovoid-cylindrical, sulcate pseudobulbs completely enveloped by untidy, grey, evanescent sheaths and carrying a single apical, ligulate-lanceolate, acute, gradually narrowing below into the narrow, elongate, petiolate base leaf that blooms on a short, from the leaf sheath axils, single flowered inflorescence arising with new growths and holds the flower close to the pseudobulb.

Synonyms Bifrenaria minuta Garay 1958; Bifrenaria petiolaris (Schltr.) Carnevali & I. Ramírez ex Dodson & R. Escobar 1994; Bifrenaria petiolaris (Schltr.) G.A. Romero & Carnevali 1996; Bifrenaria rudolfii (Hoehne) Carnevali & G.A. Romero 1993; Maxillaria perparva Garay & Dunsterv. 1976; *Maxillaria petiolaris Schltr.1925; Maxillaria rudolfii Hoehne 1947

References W3 Tropicos, Kew Monocot list , IPNI ; Flora Brasilica Vol XII VII 115-147 Hoehne 1953 as M rudolfii; Venezuelan Orchids Illustrated Vol 1 Dunsterville & Garay 1959 as Bifrenaria minuta drawing fide; Flora de Venezuela Foldats Volumen XV Part 4 1970 as Bifrenaria minuta drawing fide; Fieldiana Biology, Vol 33, 1st Supple. to the Orchids of Peru Schweinfurth 1970 as Bifrenaria minuta; Orchids of Venezuela ; An Illustrated Field Guide Vol 2 Dunsterville & Garay 1979 as Maxillaria perparva drawing fide; Native Ecuadorian Orchids Vol 1 Dodson 1993 as Bifrenaria petilaris fide; *Orchids of Venezuela [An illustrated field guide] Vol. 2 Ramiro and Carnevali 2000 drawing fide; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003 drawing ok; Flora Of Ecuador # 76 225[2] Dodson & Luer 2005 as Bifrenaria rudolfii drawing fide;

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