Japan Flora: Rather coarse annual; stems rather stout, green, soft-pubescent, 1-2 m. long, branched; leaves rhombic-ovatea 5-10 cm. long, 3-6 cm. wide, acute or subobtuse with a short mucro, cuneate at base, glabrous above, soft-pubescent on the nerves beneath, the petioles 3-8 cm. long; inflorescence paniculate, elongate, erect or ascending, often short-branched below, the axis densely soft-pubescent; flowers pale green (plants polygamous), densely disposed, the bracts subulate, 4-6 mm. long, spine- pointeda the lower margins membranous; perianth-segments about 3 mm. long, oblanceolate, obtuse to rounded, short- awned, white-membranous on margin, slightly longer than the utricle. Aug.-Oct A weed in lowlands;

Hokkaido, Honshu, Kyushu; very common. A pan tropic weed.