Rhizome creeping, stout, 8-10 mm in diameter, covered with scaly sheaths, about 2 cm apart, pseudobulbs, with several roots under pseudobulbs; Pseudobulbs are nearly cylindric, slightly narrowed toward both ends, 7-8 cm long, 6-8 mm wide in the middle, with 2 leaves at the top. 

Leaves oblong lanceolate, hard paper, with folded fan veins, 25-30 cm long, 3-3.5 cm wide, tapering toward both ends, apex acuminate, base nearly cuneate; The petiole is 3-4.5 cm long.

Scape is born at the top of young pseudobulb. When it is sent out, its base and young leaves are wrapped by sheaths, usually 17-19 cm long; Sheath length 1.5-3 cm; The raceme is 13.5-15.5 cm long, with 30-35 flowers sparsely distributed; Inflorescence axis is not tortuous; Bracts broadly ovate rhombic, membranous, more or less folded, about 5 mm long, with many veins, gradually falling off at anthesis; Pedicel and ovary 3-4 mm long; The flower is about 5 mm in diameter, white or yellowish flesh is red to yellowish brown, and the lip has yellow patches; Middle sepal elliptic, ca. 5 mm long, ca. 3 mm wide, apex acute, with inconspicuous 7 veins; Lateral sepals ovate, slightly oblique, similar in size to middle sepals; Petals ovate, ca. 4 mm long, ca. 3 mm wide, with inconspicuous 3-5 veins; Lip contour nearly obovate, 5-5.5 mm long, 3.5 mm wide; The lower part is concave and cystic, with 4 coarse veins; The upper half is nearly transversely elliptic; Width 4-5 mm, margin slightly crisped and wavy, apex emarginate; The pistil column is slightly broad, about 2.2 mm long, with broad wings around the medicine bed at the top. The flowering period is December.