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Male flowers: pedicels 4–6 mm long, slender; sepals 6, very unequal, the 3 outer 2 × 1.2 mm, ovate-lanceolate, strongly concave, hardened, reddish-tinged, the 3 inner 2.5 × 2 mm, broadly ovate-suborbicular, ± flat, soft, petaloid, white to pale yellowish-green; disk glands 6, in 3 pairs opposite the outer sepals, 0.7 mm long, oblong, thick, rugulose; receptacle conical; stamens 3, filaments connate into a column 1.5 mm high; anthers 1 × 0.5 mm, oblong, strongly reflexed, connective thick, fused to the column, thecae obliquely dehiscent.
Female flowers: pedicels 3–6(10) mm long; sepals 6, very unequal, the 3 outer 3.5 × 2 mm, elliptic, somewhat venose, the 3 inner 3 × 2.5–3 mm, ovate-suborbicular, strongly venose, pale yellowish-green with yellow veins, often pink-tinged; disk 2–2.5 mm in diameter, thick, shallowly 6-lobed, the lobes somewhat convoluted and rugulose; ovary 1.5 mm in diameter, sessile, subglobose, smooth; styles 3, 1.2 mm long, thick, fused to c. halfway, somewhat divergent, shortly bifid, the stigmas brownish.
Seeds 3.2–3.4 × 2.6–2.8 × 2.4–2.5 mm, somewhat asymmetrically rounded-segmentiform, pale yellowish-brown, with c. 35 longitudinal rows of minute glistening darker reddish-brown tubercles on the dorsal facet, and c. 30 irregular and rather broken arcs of such tubercles on each ventral facet.
An erect perennial herb or subshrub up to 90 cm tall, dioecious or occasionally monoecious; stems several from a woody rootstock, monomorphic, simple or branched, glabrous or minutely puberulous, reddish-brown.
Male flowers in 2 or more flowered axillary cymules, female flowers solitary or rarely in pairs per axil, rarely accompanied by 1–2 male flowers.
Fruit 4 × 7–8 mm, 3-lobed, shallowly rugulose-venose to ± smooth, pale green, often reddish-tinged.
