Japan Flora: Roots somewhat thickened; stems 15-30 cm. long, rather slender; larger leaves solitary on lower part of stem, spreading, elliptic to oblong, 3-6 cm. long, 2-4 cm. wide, obtuse to rounded or abruptly acute at apex, rounded to subcordate and slightly clasping at base, the upper leaves 1-2, small, lanceolate; racemes 3-8 cm. long, 5- to 15-flowered; bracts 5-15 nun. long; flowers pale green; dorsal sepal narrowly triangular- ovate, 3-nerved, 5-6 mm. long, slightly mucronate, the lateral sepals reflexed, lanceolate to linear-lanceolate, 6-7 mm. long; petals erect, the lower half triangular-ovate, membranous, abruptly narrowed and elongate at tip, with the upper half broadly linear, only slightly thickened near apex; lip broadly linear, 6-8 mm. long, subobtuse; spur 6-10 mm. long, narrowed toward the rather acute apex, incurved. Aug. Coniferous woods in mountains;

Hokkaido, Honshu, Shikoku, Kyushu; rather common. Sakhalin and s. Kuriles.

f. australis (Ohwi) Makino. Southern phase with linear-oblong or oblanceolate leaves. Honshu (Kii Prov. and westw.), Shikoku, Kyushu.