Japan Flora: Pseudobulbs in a series on the short, creeping rhizomes, narrowly oblong-cylindrical to quadrangular-oblong, slightly flattened, 1-2.5 cm. long, 5-10 mm. in diameter, red-brown, sheathed while young; leaves 2, narrowly oblong to broadly lanceolate, 4-8 cm. long, 1.2-2 cm. wide, acuminate, narrowed to the base and jointed with the short sheaths, several-nerved, deciduous in autumn; scapes 1 or 2, 2-6 cm. long, with scattered short brown crisped hairs; flowers 1 or 2, the bracts narrowly ovate, 3-4 mm. long; flowers white; dorsal sepal and petals free, broadly lanceolate, 8-10 mm. long, subobtuse, slightly incurved at tip, the lateral sepals forming a chin 3-4 mm. long at base; lip rather short, broadly cuneate, 3-ribbed within, pale reddish brown in the center, retuse, the lateral lobes relatively small, the terminal trans versely quadrangular-oblong，truncate; column terete, about 4 mm. long； July-Aug. Epiphyte on trees, sometimes also occurring on mo^sy rocks;

Honshu (sw. cHstr. and Izu-shi- chito Isis.), Shikoku, Kyushu; Ryukyus (Amami-Oshima).