Japan Flora: Stems tufted, 25-40 cm. long, terete, the internodes 2-6 cm. long; leaves lanceolate, 2-7 cm. long, 7-17 mm. wide, acute to subobtuse, rounded to obtuse at the base and jointed at the attachment with the sheath; racemes 4-7 cm. long, from the upper nodes of 2- to 3-year old stems, short-pedunculate, the axis slender, flexuous, the bracts linear-lanceolate, 3，6 mm. long, acute; flowers 3-8, pale greenish yellow, loosely race-mose; dorsal sepal broadly lanceolate, 12-15 mm. long, acute； petals similar, 10-12 mm. long, the chin about 10 mm. long; lip ascending, the limb nearly as long as the sepals, slightly recurved at the tip, ovate, acute, narrowed to the base, with a few short dark purple striations at the center below; column pale green, rounded on the back, 3-4 mm. long, with dark purple spots within. July-Nov. Epiphytic on tree branches;

Shikoku, Kyushu; rather rare. Ryukyus.