Japan Flora: Glabrous, monoecious annual; stems slender, sparsely branched at base, the branches narrowly winged or striate on one side; leaves broadly lanceolate to narrowly oblong, some­times elliptic, 7-20 nun. long, 3-6 mm. wide, subacute to ob­tuse, rarely rounded at apex, obtuse and subsessile at base, en­tire, smooth, whitish beneath; flowers pale green, small; sepals of pistillate flowers 6, minute, oblong, reflexed in fruit; cap­sules pendulous, short pedicellate, depressed-globose, pale yel­lowish green, smooth, about 2.5 mm. across, the styles 3, free, short bifid; seeds yellowish brown, about 1.2 mm. long, irreg­ularly and longitudinally striate with dark brown minute dots.  Aug.-Oct. Thickets and grassy, and waste places in low­lands

Honshu, Shikoku, Kyushu; common but not abundant.