Pseudobulbs terete, sometimes clavate at apex, 9-11 cm, 3-6 mm in diam. Leaves 3 or 4, lanceolate, 6-8.5 × 1-1.4 cm, acute. Inflorescences subterminal, 2-flowered; rachis white tomentose; floral bracts yellowish green, oblong-ovate, recurved, 1.2-1.3 × 0.8-0.9 cm, obtuse. Flowers white; lip yellow, somewhat darker on disk and margins of lateral lobes; pedicel and ovary ca. 1.5 cm, white tomentose. Dorsal sepal ovate-lanceolate, 13-14 × 6-7 mm, subacute; lateral sepals triangular-ovate, carinate, ca. 15 × 7-8 mm, base oblique. Petals lanceolate, 11-13 × ca. 6 mm, subobtuse; lip 3-lobed, 8-9 mm, apex recurved; lateral lobes erect, oblong; mid-lobe obovate, apex slightly denticulate; disk hairy, with 3 obscure keels, lateral keels terminating in 2 truncate fleshy crests, in front of which are 2 concavities partitioned by a median hairy keel, and elevated plates covered with yellow hairs forming 3 crests at apex. Column 5-6 mm.
Home