Japan Flora: Evergreen epiphyte; stems simple or sparsely branched, tufted, 10-40 cm. long, about 3-A mm. in diameter, erect or pendulous, the internodes sheathed; leaves obliquely spreading, linear, 6-12 cm. long, 35-4 mm. wide, terete, abruptly obtuse, scarcely narrowed at base; spikes sessile, 1- to 5-flowered, dense, the axis short, 1.5-2 mm. thick, the bracts deltoid, 2-3 mm. long; flowers greenish yellow with a brown hue; sepals oblong, obtuse, pale green, relatively thick, the dorsal sepal about 8 mm. long, ascending, rounded on the back, the lateral ones about 10 mm. long, spreading, obtusely keeled on the back, cucullate, contiguous with the margin of the lip; petals flat, pale green, ascending, about 10 mm. long, narrowly spathulate-oblong, rounded; lip thick, flat, spreading, pale green outside, dark brown-purple within, oblong, about 15 mm. long, ascending, auriculate, shallowly bifid, the lobes ascending, lanceolate, 2-3 mm. long; column thick, very short; capsules clavate-fusiform, 25-30 mm. long inclusive of the thick pedicel. July-Aug. Tree-trunks;

Honshu (Ise and Kii Prov.), Shikoku, Kyushu.