Japan Flora: Stems tufted, erect, 5-25 cm. long, terete, the internodes 2-4 cm. long, 3-6 mm. in diameter, covered by a tight membra-nous sheath; leaves lanceolate, 4-7 cm. long, 7-15 mm. wide, obtuse, rounded at the base; flowers 1 or 2 in the upper nodes of 3-year old stems, fasciculate, pedicelled, white or pale rose, fragrant, the minute bracts basal; dorsal sepal lanceolate, 2-2.5 cm. long, 5-7 mm. wide, acute, the lateral ones obliquely broadened at base; petals similar to the dorsal sepal, slightly shorter; lip cuneate, erect to ascending, the limb slightly recurved at tip, about as long as the petals, narrowly ovate-tri- angular, acute; column very short, about 2 mm. long on the back, the chin in front about 8 mm. long. May-June. Epiphytic on tree-branches and rocks in mountains;
Honshu (centr. and s. distr. incL Izu Shichito Isis.), Shikoku, Kyushu; rather rare. s. Korea and China.