Coarse annual; stems erect, up to 2.5 m tall, green yellowish or reddish, glabrous; lower leaves somewhat triangular to ovate, subcordate, up to 2 dm long, blunt, with spreading basal lobes, somewhat glaucous, green or purplish, entire or merely denticulate; inflorescence paniculate, of terminal and axillary spikes; male and female flowers on same plant; pistillate flowers of two kinds, some with 3–5 lobed calyx and no bracts, others with 2 subrotund entire bracts, 1–1.5 cm broad and no calyx; fruit conspicuously rounded, entire, shiny membranous; bracteoles 0.5–1.5 cm long, veined; seeds 2–4 mm broad. |