Japan Flora: Rhizomes creeping, with few whorls of false leaf verticels in 3’s or 4's; leaves thinly coriaceous to herbaceous, ovate to broadly so or sometimes elliptic, 1,5-3 cm. long, 1-2 (-2.5) cm. wide, acute to subobtuse, rounded at base, the petioles 1-1.5 cm. long; scapes slender, 7-12 cm. long, loosely and minutely papillose, the scales 1-3, narrowly ovate or broadly lanceolate, 2-5 mm. long, rather densely 8- to 15-flowcred; flowers greenish white, one-sided, about 5 mm. across, the bracts membranous, broadly oblanceolate or broadly lanceolate, 3-5 mm. long, abruptly acute, the margins somewhat hyaline, the pedicels slender, rather prominently papillose; calyx-segments depressed-orbicular, minutely toothed, about as long as wide; styles long-exscrtcd; capsules about 4 mm. across. July-Aug. Damp coniferous woods;

Hokkaido, Honshu (centr. and n. distr.). Widely distributed in boreal areas of the Northern Hemisphere.