Terrestrial herbs. Stems ascending from short creeping base, often with 4-5 leaves. Leaves ovate-lanceolate, 3-4 cm long, 1.3-1.8 cm wide, apex acute, obtuse or rounded at base, wavy at margins, dark green with special shining luster on upper side, veins fine and inconspicuous; petiole 1-1.5 cm long. Peduncle hairy, 3-10 cm long, with 2-3 bract-like glabrous sheaths below; rachis 2-9 cm long, loosely 3-10-flowered; floral bracts glabrous, red-brown. Flowers often not fully resupinate, with lip in varied position, glabrous; sepals dark greenish brown, ovate, 4.5-5 mm long, dorsal one erect, concave, lateral ones widely spreading; petals white, dimidiate obovate, 4.5-5 mm long; lip 3.5-4 mm long, conical-ovoid, attenuate toward apex, saccate at base, with 2 hook-like papillae inside, trilobed at apex, lateral lobes involute, with fleshy and hairy margins, middle lobe ovate; column 3 mm long, sub-erect, with low ridge transversely elevated in front; anther 2-celled, 1.7 mm long; pollinia 1 mm long; stigma 2, on lateral sides of column; rostellum ca. 2 mm long, tegula 1.7 mm long; viscidium ovate-elliptic, 0.7 mm long.

TAIPEI: Wulai, Leou 4112; Lin 162. TAOYUEN: Najieshan, Su 8540; Leou 3717.

Ryukyus. Taiwan, in broadleaved forests at low elevations.