Herbs or subshrubs, 1.2–3.5 dm. Stems erect, green, apex flexuous. Leaves: petiole 5–13 mm; blade suborbiculate to ovate, 1.2–3 × 1–2.3 cm, base subcordate, margins dentate to serrate, apex acute. Inflorescences terminal (often appearing leaf opposed), glands absent, staminate flowers 12–20 per raceme; staminate bracts 0.8–1.2 mm. Pedicels: staminate 1.5–1.9 mm, persistent base 0.5–0.7 mm; pistillate 3.2–3.7 mm in fruit. Staminate flowers: sepals 3–4, green, 1–1.5 mm; stamens 3–4, filaments 0.4–0.6 mm. Pistillate flowers: sepals lanceolate, 1.5–3 mm; styles connate 1/4–1/3 length; stigmas undulate. Capsules 6–7 mm wide. Seeds dark brown with light brown streaks, 2.4–3 mm.
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