Japan Flora: Loosely pilose perennial with long, creeping rhizomes; stems 10-25 cm. long, with few sheathing scales at base; leaves 2, approximate, nearly on the summit of the stem, oblong to elliptic, 7- 15 cm. long, 5-8 cm. wide, obtuse with an acute apex, obtuse and slightly clasping at base, many-nerved, these converging at apex, plicate, slightly pilose on both sides and on margins; peduncles solitary and terminal, 10-20 cm. long, densely pubescent; bract large, broadly lanceolate, leaflike, acuminate, 2-3 cm. long; flowers yellowish brown; dorsal sepal erect, ovate, 2-2.5 cm. long, acute, short-pubescent outside toward the base, the lateral sepals connate into one lamina, slightly bifid at the tip, 13-18 mm. long; petals obliquely ovate, attenuate, ending in a rounded apex; lip obliquely descending, longer than the rest of the perianth; ovary villous. July. Woods in high mountains;
Hokkaido, Honshu (centr. distr.); very rare. Kuriles and Kamchatka.
Russia Flora: Plants up to 30 cm tall. Rhizome long, thin, creeping, with relatively few roots. Stem erect, at base with 2 leafless sheaths, below with long multicellular hairs, above with shorter glandular hairs. Leaves 2, approximate, oval or elliptical, up to 15 cm long and 7 cm wide, with short sparse hairs on veins beneath and margins, blackening when dried. Bract leaf-like, ovate-lanceolate, shorter than flower. Flower 1; upper segment of outer perianth whorl broadly ovate, slightly pointed, up to 3 cm long and 2 cm wide, cream-white outside, with violet-pink spots inside, longer than lip; lower segment up to 1.7 cm long, greenish, pubescent, formed by 2 fused lateral segments and bifid at apex. Lateral segments of inner perianth whorl up to 1.7 cm long, panduriform, blunt, cream-white outside, with violet-pink spots inside. Lip up to 2.5 cm long. Ovary elongated, glandular. Capsule up to 2.5 cm long and 1.3 cm wide, with short glandular pubescence. 2n = 20 (Sokolovskaya, 1966).
Kolyma, Okhotsk, Aldan, Dauria, Lower Zeya, Bureya, Amgun, Ussuri. - Mixed and coniferous forests, among shrubs, in clearings and forest edges; up to upper forest boundary. VI-IX. Protected, ornamental. - General distribution: European part, West and East Siberia; Mongolia, Tibet, Himalayas, Japan-China (Northeast China). - Described from Europe.
Note. Reported for Central Kamchatka (Hulten, 1927, Fl. Kamtch.: 256).