Rhizomes decumbent, base creeping, distinctly moniliform, up to 1.5 cm in dia., with 2-4 rows of root-ridges at internodes, upper part ascending and leafy, 1-2 cm long. Leaves 2-6, congested, ovate to broadly ovate, up to 4.5 cm long, 2.8 cm wide, acute at apex, rounded at base, grayish green, upper ones often gradually transformed to bract-like sheaths. Peduncle glandular hairy, up to 20 cm tall, with 2-4 bract-like sheaths, sheaths ovate lanceolate, glandular hairy; raceme 2-13-flowered; floral bracts lanceolate, with glandular hairs. Flowers resupinate; ovary with glandular hairs, 6-9 mm long; sepals greenish, 6-8 mm long, connate for 3/5 of their length, glandular hairy; petals whitish, narrowly falcate, 6-8 mm long, apex often free from, not appressed to dorsal sepal; lip white, undivided, narrowly oblong, often conduplicate, 6-8 mm long, 2.5-3 mm wide, recurved near apex; column erect, 3.2-3.7 mm long; stylids highly variable, perfectly developed and parallel to rostellum, or not well developed and varied in posture; anther broadly ovate, 2.5 mm long; pollinia 2, sectile, clavate-cylindrical, attached to tegula stipe near middle part; stigma 2, lateral, dome-shaped, on base of rostellum; rostellum slightly inflexed, arms flat and nearly round at apex, tegula stipe elliptic, 2.5 mm long.

ILAN: Taton, Leou 3658. NANTOU: Kuantaochi, Leou 4105; Hoshe, Leou 3928. KAOHSIUNG: Duona, Leou 3762; Wanshan, Su, 8493. PINGTUNG: Shouka, Leou 4029. TAITUNG: Chipen, Leou 4040. HUALIEN: Tensiang, Leou 3279; Taroko, Su 8188.

Distributed in the Ryukyus. Taiwan in broadleaved forests at low elevations.