Herbs, annual, 1–3(–5) dm, monoecious. Stems dichotomously branched throughout, stellate-hairy. Leaves not clustered; stipules subulate, 1–2.5 mm; petiole 0.5–3 cm, glands absent at apex; blade ovate to ovate-oblong, 1–2.5(–5) × 0.5–1.5(–3) cm, base rounded to cuneate, margins entire, apex rounded to subacute, abaxial surface pale green, not appearing brown-dotted, no stellate hairs with brown centers, densely stellate-hairy, adaxial surface slightly darker green, sparsely stellate-hairy. Inflorescences bisexual, racemes, 0.5–2 cm, staminate flowers 1–15, pistillate flowers 3–6. Pedicels: staminate 1.5–2 mm, pistillate 2–2.5 mm. Staminate flowers: sepals 5, 0.8–1 mm, abaxial surface stellate-hairy; petals 5, linear-oblong-lanceolate, 0.8–1 mm, abaxial surface glabrous except margins villous; stamens 7–10. Pistillate flowers: sepals 5, unequal, 3 outer 5–7 mm, 2 inner 1–2 mm, margins entire, apex incurved, abaxial surface stellate; petals 0; ovary 3-locular; styles 3, 1–2 mm, 2-fid to base, terminal segments 6. Capsules 4–5 mm diam., smooth; columella apex with 3 short recurved lobes. Seeds 3.5–4 × 1.8–2 mm, shiny.
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