Japan Flora: Radical leaves spreading，yellowish green, glabrous, oblanceolate to broadly so, gradually narrowed at base, abruptly acuminate to acute at apex, about 10-nerved, 8-20 cm. long, 1-4 cm. wide; scapes 20-40 cm. long, often with 1 or 2 branches above, naked; spikes 3-20 cm. long, usually minutely puberulent, many- or sometimes several-flowered, the bracts linear, longer than the very short pedicels, the bracteoles solitary, small; flowers yel­low-green, the tepals subobtuse, 5-8 (-10) mm. long, the fila­ments slightly broadened below; capsules oblong, acute, shorter than the tepals; style about 2 mm. long. June-Aug. Moun­tain meadows.

Hokkaido, Honshu, Shikoku, Kyushu. 

var. nutans Masam. Pedicels to 7 mm. long. Kyushu (Yakushima).