Japan Flora: Slender, erect perennial; stems 30-50 cm. long, rather firm, white-scabrous on the angles, alternately 6- to 8-lcaved and with a few leafless sheaths at the base; leaves oblong-lanceolate to linear-lanceolate, 7-15 cm. long, 1.5-3 cm. wide, sometimes long-acuminatc, shortly sheathed at base, scabrous on margins and on nerves beneath, prominently nerved; spikes loosely sevcral-flo'vercd; bracts linear to broadly so, 4-7 mm. long, the lower 1 or 2 elongate, leaflike, as long as the spike, 5-10 mm. wide; flowers white; sepals erect, about 12 xnm. long, lanceolate, acute with an obtuse tip; petals short and broad; lip 2/3 as long as the sepals, the basal chin obtuse, short, not prominent, the terminal lobe cordate, abruptly acute; ovary as long as the perianth. May-June. Thickets and grassy places in low mountains;

Hokkaido, Honshu, Shikoku, Kyushu; rather common. Korea.