Japan flora: Rhizomes short; leaves 2 or 3, narrowly obovate-oblong, 15-20 cm. long, 3-5 cm. wide, acute to short-acuminate, narrowly cuneate, puberulent beneath, rather long-petiolate; scapes 30-40 cm. long, puberulent in upper part, with a few scalelike leaves; racemes 8-12 cm. long, loosely about 10-flowered, brownish puberulent, the bracts linear-lanceolate, membranous, acuminate, 4-8 mm. long; flowers half-opened at anthesis, white, sometimes with a rose tint; sepals narrowly ovate-oblong, about 15 mm. long, acuminate, puberulent outside; petals narrower but as long as the sepals; lip 3-lobed, slightly shorter or as long as the sepals, deltoid- flabellate, the inner side with 3 elevated ridges, the lateral lobes ascending, the terminal lobe broadly cuneate, truncate, mucronate; spur 15-18 mm. long; ovary puberulent. May.