Japan Flora: Bulbs broadly ellipsoidal, 6-10 mm. long, the outer coat thinly membranous, entire, without vertical lines; radical leaves usually solitary, 10-20 cm. long, 15-3 mm. wide, gradually obtuse, smooth, linear, 3-angled, soft; scapes 10-25 cm. long, few-leaved, the lowest leaf narrowly lanceolate, 3-6 cm. long, 4-6 mm. wide; inflorescence 2- to 4(-6)-flowered, the bracts linear, 7-12 mm. long, about 1 mm. wide; flowers 1-1.5 cm. long, the tepals white, oblanceolate, obtuse, with green striations; stamens about 3/5 as long as the tepals, the anthers small, broadly elliptic; style about 4 mm. long, obscurely 3-lobed. May-June. Thickets and meadows in mountains.
Hokkaido, Honshu, Shikoku. Siberia, Kamchatka, Ussuri, n. and centr. China, Sakhalin, Kuriles, and Korea.