Annual, occasionally perennial herb, up to 0.5 m high. Leaves alternate, sessile, sometimes petiolate in lower part of plant; blade narrowly ovate, 8-45 x 1-16 mm, apex acute, base cuneate to rounded, margins shallowly toothed; stipules prominent. Flowers: yellowish green; Oct.-Dec.
Dioecious perennial from woody rootstock, 10-30 cm. Leaves ovate to linear-lanceolate, toothed. Male flowers subsessile in leaf-opposed or axillary racemes, females in leaf-opposed racemes.
Annual herb, up to 300 mm tall. Leaves alternate, blade narrowly ovate, 8-45 x 1-16 mm, margin toothed. Flowers yellowish green.