Terrestrial herbs. Rhizome creeping, up to 12 cm long, ascending at apex, often with rosette leaves upward. Leaves ovate, 2-4 cm long, 1-2 cm wide, acute at apex, usually rounded at base, upper surface dark green, with shining white reticulated veins, lower surface often purple red at midrib; petiole 1-2 cm long. Inflorescence nearly sessile, usually 1-3-flowered, often subtended by several bracts, bracts glabrous. Flowers cream, tinged with reddish brown towards base, long-tubular, 20-23 mm long; ovary 812 mm long, hairy, curved at apex; sepals narrowly lanceolate, connate at base, 4 mm wide, obtuse at apex; petals white rhombate-linear, slightly oblique, 20-23 mm long, 4-5 mm wide; lip white with yellow edges, linear-lanceolate, 17-20 mm long, saccate at base, hairy inside, limb narrowly elliptic, subacute, densely hairy along midrib, recurved at apex; column 12-15 mm long; anther 12 mm long; pollinia yellow, oblanceolate, 10 mm long; stigma, with toothed lower edge; rostellum slender, 12 mm long; viscidium 4-5 mm long, oblong-lanceolate.

HSINCHU: Litungshan, Su 7858. NANTOU: Meifong, Leou 4134; Tungpu, Leou 4098. CHIAYI: Alishan, Leou 3280. HUALIEN: Shiaohsinshan, Su & Chung, 2002.

India, Nepal, southern China, Japan and Korea. Taiwan, in forests at 800-2,200 m in the eastern and central regions.