Terrestrial herbs. Rhizome long creeping, up to 30 cm long, ascending at top; erect stems 10 cm tall, leafy upward, noded distantly. Leaves green, often with 3 silvery white stripes near apex, obliquely ovate to elliptic, 2-6 cm long, 1-3 cm wide; petioles 1-2 cm long. Inflorescence usually sessile, subtended by tufted bracts; raceme 3-4 cm long, 3-9-flowered; floral bracts nearly glabrous, much longer than ovaries. Flowers white, more or less tinged with pink; ovary glabrous or sparsely short hairy; sepals 10-14 mm long, 5-6 mm wide, glabrous or sparsely short hairy, 3-venied, concave, dorsal one lanceolate ovate, lateral ones obliquely ovate; petals narrowly rhombic, ca. 12 mm long, 1-veined, lip 10-14 mm long, base saccate, hairy within, limb ligulate, narrow, acute, slightly downcurved; column 8-8.5 mm long; anther lanceolate, 4-5 mm long; stigma ovate-orbicular; rostellar arms slender, 4-4.5 mm long, with obtuse tip; viscidium narrowly lanceolate, 3.5 mm long.

TAIPEI: Nanchiatienshan, Su s. n. Aug 1972. ILAN: Nanhutashan, Su s. n. Oct 1986. TAICHUNG: Shihyuan, Leou 3915. NANTOU: Meifong, Leou 4135; 9559.

Japan. Taiwan, in forest at 2,200-2,500 m in northern and central parts.