Herbs, annual, monoecious, 2–5 dm; branching phyllanthoid. Stems: main stems terete, not winged, glabrous or scabridulous; ultimate branchlets subterete, not winged, glabrous or scabridulous. Leaves on main stems spiral, scalelike; stipules not auriculate, reddish brown. Leaves on ultimate branchlets distichous, well developed; stipules not auriculate, pale green or pink with paler margins; blade elliptic to obovate, 6–25 × 4–11 mm, base acute to rounded, apex acute to obtuse, both surfaces glabrous. Inflorescences cymules or flowers solitary, proximal bisexual with 1–2 pistillate flowers and 2–3 staminate flowers, distal with 1 pistillate flower. Pedicels: staminate 0.5–1.5 mm, pistillate flexuous, capillary, and pendent in fruit, (2.5–)3–8 mm. Staminate flowers: sepals 5, white except green midrib, flat, 0.4–0.7 mm; nectary extrastaminal, 5 glands; stamens 5, filaments distinct. Pistillate flowers: sepals 5, white except green midrib, flat, 0.6–0.8 mm, 1-veined; nectary annular, unlobed. Capsules 1.7–1.9 mm diam., smooth. Seeds uniformly brown, 0.8–0.9 mm, evenly papillate. 2n = 26.
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