Subshrubs, to 0.5–1 m, dioecious, rhizomatous, often forming large clumps. Stems erect or ascending, reddish brown, much-branched, rubbery-succulent, glabrous; short shoots common; latex watery, colorless to cloudy-whitish in young shoots, blood red in basal portions of older shoots and rhizomes. Leaves deciduous, born profusely on long and short shoots in rainy season; stipules absent; petiole 1–2.5 cm, not stipitate-glandular; blade widely ovate-deltate, 1.8–4.6 × 1.5–2.6 cm, unlobed, base truncate, margins sinuate to weakly serrate-crenate with glands on apices of crenations in younger leaves, apex acuminate, membranous, surfaces glabrous; venation palmate. Inflorescences axillary, cymes; staminate with peduncle 0.8–3 cm, pistillate with peduncle absent; bracts 1–1.5 mm, margins entire, or sometimes with glands, glabrous. Pedicels 2–3 mm. Staminate flowers: sepals distinct, ovate to obovate, 2–2.5 × 0.8–1 mm, margins entire, apex acute, surfaces glabrous; corolla light pink to white, tubular, petals connate to 3/4 length, 5–7.5 × 1.8–2.2 mm, surfaces glabrous; stamens 10 in 2 whorls (5 + 5); filaments of both whorls distinct, outer whorl 1 mm, inner whorl 2 mm. Pistillate flowers resembling staminate, but sepals obovate, 1–2.5 × 0.8–2 mm, apex rounded; petals connate to 1/2 length, 6.5–9 × 1.8–2.7 mm; carpel 1; style 1 mm. Capsules spheric, apiculate, 1.1–1.8 × 1.1–1.8 cm, tardily dehiscent. Seeds mottled gray-brown, spheric, 12 mm diam.; caruncle rudimentary. 2n = 22.
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