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Herb, annual or short-lived perennial, ca 1-3 dm high; monoecious, branches terete or narrowly winged; stems unbranched to pinnately branched. Leaves mem-branous to firm; petioles short, 0.5-1 mm long; stipules auriculate, 0.7-2 mm long; blades elliptic to obovate, obtuse to rounded or apiculate, 5-20 mm long and 2-10 mm broad, paler beneath, the reticulum of veinlets often distinct. Cymules with usually 1 or 2 staminate and 1 or 2 pistillate flowers. Staminate flowers with (5-) 6 calyx-lobes, 0.5-0.7 mm long; disc-segments 6; stamens 3, the filaments free, short, the anthers opening horizontally; pollen grains oblong, 4-colporate. Pistil-late flowers with pedicels sharply reflexed, 1 mm long or less; calyx-lobes usually 6, 0.6-1.4 mm long, linear to oblong; disc entire or dissected; ovary usually smooth, the styles bifid, less than 0.5 mm long. Capsules 1.6-2 mm in diam; seeds 0.7-1 mm long, dull grayish-brown, verruculose.
