Japan Flora: Evergreen epiphyte with rather slender, creeping fibrous rhizomes;pseudobulbs ovoid-globose, 6-8 mm. long; leaf solitary, somewhat coriaceous, lanceolate to nearly so, 4-8 cm. long, 6-10 mm. wide, obtuse, acute at base; flowers 2 or 3, about 10 mm. long, rose-purple, in umbels, the bracts membran이is, lanceolate, 1-2 mm. long, acuminate; scape 1.5-2 cm. long; sepals ascending, the dorsal oblong, alx)ut 2.5 mm. long, the lateral ones broadly lanceolate, about 7 mm. long, gradually acuminate, the outer margins contiguous; petals ovate, shorter than the dorsal sepal; lip reflexed, rather thick, rounded; column short; capsules ellipsoidal；June-July. Tree-trunks;

Honshu (centr. and western), Shikoku, Kyushu.