Epistephium duckei Huber 1913 Photo courtesy of Carlos Hajek and his Peruvian Orchid Page


Common Name Ducke's Epistephium [German Plant Collector -Amazon early 20th cen]

Flower Size 2" [5 cm]

Found from Colombia, Venezuela, Guyana, Brazil and Peru as a large sized, hot to warm growing, reed stem terrestrial on slippery clay slopes, sandy soils and in boggy meadows in grass clumps at altitudes of 600 to 2400 meters that has a cane-like, erect stem enveloped basally by a few tubular scarious sheaths and carrying unveined, lanceolate, clasping, acuminate, thick, stiffy coriaceous, basally clasping leaves with a prominently keeled midvein that give rise to a terminal, to 12" [to 30 cm] long, several to many [to 20-25] flowered inflorescence with large, showy, campanulate, successively opening flowers occuring in the spring.

Synonyms Epistephium macrophyllum Schltr. 1921; Epistephium mardenii Ruschi 1969

References W3 Tropicos, Kew Monocot list , IPNI ; Die Orchideen der Sudamerikanischen Kordillerenstaaten IV Peru Schlechter 1921 as E macrophyllum; Flora Brasilica Vol XII II Hoehne 1945 drawing ok; Venezuelan Orchids Vol 3 Dunsterville & Garay 1965; Flora de Venezuela Foldats Volumen XV Part 1 1969; Flora de Venezuela Foldats Volumen XV Part 1 1969 as E elatum; Orchid Digest Vol 47 No 4 1983 photo fide as E mardenii; Native Colombian Orchids Vol 5 COS 1994 as E elatum; Orchid Digest Vol 58 No 4 1994 photo fide; Icones Orchidacearum Peruviarum Plate 475 Bennett & Christenson 1998 drawing ok; Native Ecuadorian Orchids Vol 2 Dodson 2002; Flora of the Venezuelan Guayana Vol 7 Steyermark, Berry, Yatskievych and Holst 2003 drawing ok; Orchid Species of Peru Zelenko Bermudez 2009 photo fide; Orquideas de Roirama Luz & Franco 2012 photo ok;