Japan Flora: Roots tuberous; stems slender, 7-12 cm. long, l-leaved near the mid-dle; leaf ascending, broadly lanceolate or narrowly oblong, 7-12 cm. long, 12-25 mm. wide, short-acuminate, flat, spread-ing; spikes one-sided; flowers 1-6, rose-purple, the bracts narrowly lanceolate, obliquely ascending, acuminate, 1-1.5 cm. long; sepals 3-nerved, 5-6 mm. long, subobtuse, the dorsal sepal oblong, slightly navicular, erect, forming a hood with the petals, the lateral sepals subovate; petals slightly shorter than the sepals, obtuse; lip ascending, 8-10 mm. long, rather deeply 3-Iobed, the lobes ovate, 4-angled; spur 13-17 mm. long, straight or slighdy curved. July-Aug. Shaded rocks in mountains;

Honshu, Shikoku; very rare.