Tufted epiphytes. Pseudobulbs globose or broadly elliptic, strongly compressed, ca. 1.5-2.5 cm long, 1.5-2 cm wide, densely rooting at base. Leaves 2, oblanceolate, ca. 10 cm long, 1.5-2.5 cm wide, apex acute to obtuse, base cuneate, articulated with pseudobulb. Peduncles usually pendulous from apex of pseudobulb, 10-15 cm long; rachis 5-10 cm long, bracts lanceolate, 5 mm long; pedicel and ovary 5 mm long. Flowers numerous, perianth not widely spreading, pendulous, greenish, ca. 4.5 mm across; sepals oblong, 5 mm long, 2 mm wide, obtuse; petals linear, as long as sepals, 0.5 mm wide; lip orbicular ovate, 5 mm long, 3 mm wide, base shallowly concave, with an undulate fold along margin near middle, apex acuminate, bent downward; column arcuate, 2-3 mm long, without distinct wings at apex; anther yellowish white; pollinia 2, obliquely reniform. Capsules erect, ellipsoid, 8 mm long.

TAIPEI: Mucha, Nakamura s. n. Apr 1940. ILAN: Shuanlienpei, Su 6945. NANTOU: Chitou, Su 6751; Hoshe, Su 76. CHIAYI: Alishan, Su & Chen 8170; Fenchihu, Su 6754. PINGTUNG: Wuweishan, Matsuda s. n. Dec 1920; Linungshan, Su & Chen 7760. HUALIEN: Yuli, Su & Hsu 8181.

The Ryukyus, China, the Himalaya, India, Sri Lanka to Vietnam and Thailand. Taiwan, in forests at 500-1,500 m throughout.