Japan Flora: Evergreen epiphyte with short, creeping, fibrous rhizomes; pseudobulbs somewhat tufted, narrowly ovoid-conical, 1-2 cm. long, green, angled or only slightly so; leaves solitary, thick and slightly lustrous, narrowly ovate-oblong, 10-17 cm. long, 3-5 cm. wide, subacute to obtuse, acute at the base, the petioles 1-1.5 cm. long; scapes slender, nodding to pendulous, 10-15 cm. long, with 1 or 2 small scales; flowers 2-4, about 3.5 cm. long, in umbels, pedicelled, yellowish brown, the bracts lanceolate, acuminate, 4-5 mm. long; sepals ascending, the dorsal one narrowly oblong, 8-10 mm. long, the lateral ones linear- lanceolate, 25-30 mm. long, gradually acuminate, slightly connate; petals about half as long as the dorsal sepal. July-Sept. Tree-trunks in mountains;

Kyushu (Yakushima and T anegashima). Ryukyus.