Bulbophyllum gamblei - Pale-Yellow Bulb-Leaf Orchid

Pale-Yellow Bulb-Leaf Orchid is a small sized, tree-dwelling or rock-dwelling orchid with smooth, conical pseudobulbs about 2.5 to 3.75 cm apart on the rhizome and carrying a single, apical, lanceshaped-ovate leaf. The plant blooms in the late spring and early summer on a basal, slender, 3 cm long, umbellate inflorescence that carries a few (3 to 6) flowers held amid the leaves. Flowers are 1-1.4 cm across, uniformly pale yellowish-green, flower-stalk and ovary slender, 3-4mm long. Dorsal sepal is lanceshaped, somewhat pointed to tapering, 3-veined, nearly spreading, 3.8-9 x 1.2-2 mm; lateral sepals lanceshaped, somewhat pointed, widened at base, 3-veined, 5.3-9 x 1.7-2mm. Petals are lanceshaped, tapering, 1-veined, 2-7 x 0.7-2mm. Lip is simple, adnate to column foot, oblong-lanceshaped, somewhat pointed, base heart-shaped, grooved centrally, slightly recurved, 2-4 x 0.5-1mm. Column is broad, 2mm long; stelidia triangular-tapering; foot curved, 1.5-2mm long. Pale-Yellow Bulb-Leaf Orchid is found in Nepal to East Himalaya, Bangladesh, at altitudes of of 1800-2800 m.