Japan Flora: Rhizomes creeping, slender; leaves solitary, radical, ovate, 3-6 cm. long, 3-4 cm. wide， subobtuse, obtuse to rounded at base, petiolate; scapes 10-20 cm. long, witli 2 or 3 short sheaths on lower half; flowers solitary, the bracts thinly membranous, quadrangular-elliptic to ovate, 2-3 mm. long; sepals and petals pale green, oblanceolate to linear-lanceolate, 2-2.5 cm. long, subobtuse, ascending, 3-ncrved; lip erect, ovate, cuneate, 3-lobed, the lateral lobes broadly ovate, 2-3 mm. long and nearly as broad, obtuse, purplish on upper half, the terminal lobe obovate-rounded, recurved, about 7 mm. long and as wide, white with purple spots, more or less undulate on the margins, with 2 short ribs near the base; spur absent; column about 10 mm. long, flat, narrowly cuneate-oblong, rather broadly winged; ovary 3- angled; capsules clavate-fusiform, short-pedicelled, about 2 cm. long, ascending. May-July. Woods in mountains;

Hokkaido, Honshu, Shikoku.

Russia Flora: Plants up to 20 cm tall. Rhizome creeping, thin. Stem with 2-3 leafless sheaths. Leaf 1, basal, up to 6 cm long and 4 cm wide, with petiole, blade with cuneate base. Flower solitary. Bract up to 3 mm long, membranous, thin. Perianth segments up to 2.5 cm long, pale green, from oblanceolate to linear-lanceolate, divergent. Lip up to 1.5 cm long, ovoid, straight, with 3 lobes: lateral ones up to 4 mm long and almost as wide, broadly oval, blunt, purple in upper half; upper lobe up to 9 mm long and as wide, oval-rounded, bent slightly downward, white with purple spots, with undulate margins. Column up to 1 cm long, flat, broadly winged. Capsule up to 2 cm long, clavate-fusiform, on short stalk.

South Sakhalin, South Kurils. - Dark coniferous and mixed forests. VI-IX. - General distribution: Japan-China (Japan). - Described from Japan.