Shrubs or trees, 1–10 m, latex watery. Leaves: stipules persistent, lanceolate, 1 mm, glands present; petiole 0.2–1.5 cm; blade oblanceolate, 3.5–10 × 1.5–4 cm, base cuneate, margins obscurely gland-toothed, apex acute to obtuse; laminar glands usually 2 near base, elliptic; venation prominent on both surfaces. Inflorescences 3–3.5 cm, peduncle 0–0.5 cm; staminate cymules numerous, each usually with 3 flowers per bract, cymule axis 0.2–1.3 mm, bracts reniform, cucullate, 1 mm wide; pistillate flowers usually 1 per inflorescence. Pedicels: staminate 0.3–2 mm, usually bearing scalelike bracteole at summit; pistillate to 10 mm, to 30–40 mm in fruit, bearing 1–5 scalelike bracteoles. Staminate flowers yellowish green; filaments connate 0.3 mm, distally distinct 0.2–0.4 mm; anthers 0.4–0.5 mm. Pistillate flowers yellowish green; styles 2–3 mm, connate 1/2 length, distally recurved. Capsules subglobose, trigonous, 0.8–-1 cm diam.; styles persistent. Seeds 4–4.5 × 4 mm; seed coat brown, smooth; caruncle discoid, 1.5–2 mm diam.