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Male flowers: pedicels up to 5(10) mm long, pubescent; sepals 2 × 1.5 mm, elliptic-obovate, rounded, each with 3 uncinate glands near the base, pubescent without, glabrous within, greenish-white; petals 2 × 1 mm, spathulate, each with a small disciform gland at the base, white; staminal column c. 2 mm high, free filaments c. 0.5 mm long, anthers 0.67 mm long; pistillode 0.67 mm high, cylindric, peltate-capitate above.
Female flowers 1–3(4) per axil; pedicels c. 4 mm long at first, usually extending to c. 13 mm in fruit; sepals 2.25 × 1 mm, elliptic-oblong, each with a flattened truncate or erose gland at the base, otherwise as in the male; petals eglandular, otherwise as in the male; ovary 1.25 mm in diameter, glabrous; styles c. 1 mm long, spreading.
Leaf blades 2–5.5(6.5) × 1–3.5 cm, broadly ovate-suborbicular in lower leaves, ovate-lanceolate in upper leaves, obtuse or subacute at the apex, cuneate or rounded, or rarely shallowly cordate at the base, entire, chartaceous to thinly coriaceous, greenish on upper surface, glaucous beneath; lateral nerves in 5–9 pairs.
Perennial herb up to 120 cm high, usually pubescent at first, later glabrescent, sometimes glabrous, purplish-green, dioecious.
Male fascicles 3–9-flowered; bracts imbricate, c. 1 × 1 mm, ovate, crustaceous, stramineous.
Fruits 4.5–5 × 4.5–5 mm, pusticulate, glabrous, olivaceous or brownish.
Seeds 3 × 2 × 2 mm, ellipsoid, ± smooth; caruncle 1 × 1 mm, brownish.
Stems numerous simple, from a woody rootstock.
Petioles 2–5 mm long, or leaves subsessile.
Stipules absent.
