Leaf blade 2.5–6.5 × 1–3 cm, lanceolate, acute or subacute at the apex, coarsely sharply serrate or crenate-serrate on the margins, shallowly cordate at the base, thinly chartaceous, 5–7-nerved from the base, sparingly hispid and setose along the midrib and main nerves on both surfaces, otherwise ± glabrous; lateral nerves in 4–5 pairs, fairly prominent beneath.
Inflorescences up to 7.5 cm long, the peduncle up to 4.5 cm long, terminal or leaf-opposed, bisexual, with 1–3 female flowers at the base; male bracts and female bracteoles 2–4 mm long, elliptic-lanceolate; male bracteoles 2 mm long, linear-oblanceolate; female bracts 5 × 2 mm, lanceolate.
Perennial herb, up to 200 mm tall. Stems erect. Leaves short-petioled, oblong-lanceolate to lanceolate, closely serrate. Male flowers solitary to each bract. Racemes usually 2-sexual. Flowers greenish yellow.
An erect urticating perennial herb up to 50 cm tall, monoecious; stems 1–2, arising from a woody rootstock, subsimple or basally sparingly branched, hispid.
Seeds 3.5 mmin diameter, subglobose, grey, occasionally flecked with brown, and with irregularly aggregated circular densely papillose whitish patches.
Male flowers: pedicels 1.5 mm long; buds obovoid; calyx lobes 2 × 1.5 mm, elliptic-ovate, subglabrous; stamens 1 mm long; pistillode 3-lobed.
Fruit 5 × 8 mm, 3-lobed, smooth, hispid and setose on the keels, otherwise glabrous.
Stipules 3–4 mm long, lanceolate, ciliate, otherwise glabrous, spreading.
Petiole 1–6 mm long, densely hispid.