Dendrochilum crassifolium Ames 1920 SUBGENUS Platyclinis SECTION Platyclinis [Benth.] Pfitzer


Photo by Tom Ballinger and his Flickr Photo Website

Common Name The Thick Leaved Dendrochilum

Flower Size .33" [8 mm]

Found in Sabah and Sarawak Borneo in lower montane mossy forests, in cleared, steeply sloping roadsides on sandstone and granite outcrops in full sun at elevations of 1300 to 2400 meters as a small sized, cool to cold growing epiphyte or lithophyte with crowded, ovoid , ovoid-elliptic to conical, smooth, becoming wrinkled with age, yellowish pseudopbulbs carrying a single, apical, erect, coriaceous, linear, linear-ligulate, oblong to oblong-elliptic, obtuse to shortly acute or subacute and mucronate, sometimes slightly cucullate, 5 to 7 nerved, gradually attenuate and cuneate below into the sulcate, stout, fleshy petiolate base leaf that blooms in the fall on a gently curving to pendulous, much longer than the leaf, arising with a new growth, wiry, quadrangular, to 22.4" [56 cm] long, densely many flowered inflorescence with oblong-ovate,obtuse, mucronate bracts and ovate, apiculate, subacute to obtuse floral bracts.

D crassifolium appears to be closely related to D dewindtianum and is equally variable. but can be separated in herbarium specimens by the tough fleshy leaves of D crassifolium.


References W3 Tropicos, Kew Monocot list , IPNI ; *Studies in the Family Orchidaceae Vol VI Ames 1920 drawing fide; The Plants of Mount Kinabalu Vol 2 Orchids Beaman, Wood, Beaman & Beaman 1993; A Checklist of the Orchids of Borneo Wood & Cribb 1994; Orchids of Sarawak Wood & Beaman etal 2001; Dendrochilum of Borneo Wood 2001 drawing fide/photo fide; The Orchids of Mount Kinabalu Vol 2 Wood, Beaman, Lamb, Chu Lun and Beaman 2011 drawing fide