Japan Flora: Tufted perennial; radical leaves broadly linear to linear, 7-15 cm. long, 2-6 mm. wide; stems 10-30 cm. long; inflorescence a capitate cluster of many flowers or sometimes composed of 2 to 3 peduncled clusters; flowers greenish to red-brown; peri- anth-segmenä»» 2.5-3 mm. long, broadly lanceolate, sharply acute; stamens 2/3 as long as the perianth-segments, the filaments very short, terminated by a narrowly oblong anther; caruncle half as long as the body of the seed. Apr.-June. Quite common in grassy places in mountains and lowlands.
Hokkaido, Honshu, Shikoku, Kyushu. China, Korea, Sakhalin, e. Siberia, and Kamchatka.