Stems 60-80 cm tall, 7-10 mm in diam., base +/- dilated, without distinct pseudobulbs, leafy apically, with several tubular scales basally. Leaves 4-7, nearly distichous, oblong or oblong-obovate, 2030 cm long, 5-8 cm wide, apex acute, base cuneate, upper surface lustrous. Raceme from middle of stem, peduncle erect, slender; bracts oblong-lanceolate, 3-4 cm long, soon deciduous; pedicel and ovary 1. habit; 2, 3. different views of flower; 4. dorsal sepal; 5. petal; 6. lateral sepal; 7. lip; 8. ovary, lip and column; 9, 10. column and spur of lip; 11. longitudinal section of column and spur; 12. cross section of ovary; 13. anther; 14. pollinia; 15. fruit. 3-3.5 cm long, glabrous. Flowers loosely spaced, pink, 5 cm across; sepals elongate-oblong, 2.7-3.5 cm long, 8-10 mm wide, acute; petals linear-oblanceolate, 2.7-3 cm long, 4-6 mm wide, obtuse; lip spurred, folded, tube-like, obtriangular, 2-3 cm long, 2-2.5 cm wide, apex shallowly 3-lobed, lateral lobes erect, obtuse or rounded, midlobe truncate, often emarginate, apex cuspidate, curving downwards; disc with minute reddish dots and a median fleshy keel; spur 1-1.5 cm long; column 2 cm long, yellow or whitish, curved, dilated at apex; anther cordate, 2 mm long, hirsute outside, pollinia flattened ovoid, 1.5-2 mm long, connected by broad caudicles; stigma semiorbicular; rostellum short ligulate, undivided or slightly retuse.

ILAN: Nanao, Su et al. 8122. NANTOU: Chushan, Su s. n. Jan 1986. KAOHSIUNG: Liukuei, Su & Chen s. n. Jan 1987. PINGTUNG: Botan, Nakahara 459; Linungshan, Su & Chen 8578. TAITUNG: Chingshuiying, Su s .n. Dec 1970; Hsinkangshan, Su & Chen 7729*.

The Himalaya, India, southern China, Indochina, the Ryukyus and the Philippines. Taiwan, forests in the central and southern part of the island.