Japan Flora: Roots somewhat fusiform; stems 8-15 cm. long, slender, erect, 1-leaved below the middle; leaves lanceolate to narrowly oblong, 3-5 cm. long, 8-15 mm. wide3 ascending, obtuse; spikes rather densely few-flowered, secund; bracts narrowly lanceo-late to broadly linear, 4-10 mm. long, obtuse; flowers rose-purple, rarely white; sepals obtuse, 1- to 3-nerved, 35-4.5 mm. long, the dorsal sepal elliptic, the lateral sepals obliquely oblong; petals obliquely ovate, obtuse, 2-nerved, as long as the sepals; lip ascending, about 10 mm. long, rather ckeply 3-Iobed, the lateral lobes ascending, ovate, the terminal lobe somewhat longer, slightly broader, bifid; spur 2-2.5 mm. long, obtuse. May-June. Shaded rocky cliffs in mountains;

Honshu (centr. distr.).