Pseudobulbs closely arranged in one row, producing new growth from base, elongate-ovoid, more or less recurved, 1.5-2 cm long, 5-10 mm in diam., covered by hyaline scales, with 2 leaves at apex. Leaves oblong or oblanceolate, 4-6 cm long, 1 cm wide, apex acute or obtuse, base attenuate, slightly coriaceous. Peduncle nearly terminal, produced with new leaves, ca. 5 cm long, more or less tomentose; bracts ovate, 8 mm long, 4 mm wide, apex acuminate; pedicel and ovary 8 mm long, short hirsute. Flowers 2 or 3, whitish, ca. 1 cm in diam.; dorsal sepal lanceolate, 10 mm long, 3 mm wide, apex acute, slightly contracted at base; 5-nerved; lateral sepals falcate-triangular, 10 mm long, 5 mm wide, 5nerved, apex acute, base adnate to foot of column forming mentum ca. 5 mm long; petals linear-lan-ceolate, 10 mm long, 2 mm wide, 3-veined, apex acute, not contracted at base; lip ovate-spatulate, 11 mm long, 6 mm wide, rounded or slightly emarginate at apex, base cuneate, 3-lobed, lateral lobes oblong-triangular, 2 mm long, 1.5 mm wide, obtuse, terminal lobe yellow, tinged with orange, rounded, base with 2 yellowish keels; column 3 mm long, foot 5 mm long; anther cordate, 2-celled; pollinia 8, tri-angular-ovoid.

TAIPEI:. North Chiatienshan, Su 655; Lupingshan, Su 7289. HSINCHU: Matuda s. n. Jul 1918;. Tapachienshan, Lin s. n. Aug 1972. NANTOU: Chitou, Su 247. TAITUNG: Tapushan, Su 214. HUALIEN: Tienchangshan, Sasaki s. n. Aug 1929; Tienchang Cliff, Su 9322.

Southern Japan, the Ryukyus and southern China. Taiwan, forests, 1,500-2,500 m, throughout.