Usually dioecious, sometimes monoecious herb. Stem angular, fibrous, densely hairy, 0.3–2–(5) m high. Lvs with (3)–5–9–(11) leaflets; seedling lvs and upper cauline lvs with fewer leaflets; leaflets acute to acuminate, attenuate at base, moderately hairy beneath, sparsely to moderately hairy above with globose-based hairs and some glandular hairs. Petiole < or = lf blade. Stipules 2 per node. Bracts triangular, hairy, green. Calyx of ♀ fls with simple patent hairs and numerous glandular hairs; calyx of ♂ fls with numerous, simple patent hairs and few glandular hairs. Achene ovate-ellipsoid, greyish brown or greenish, variously marbled cream or brown, 2.5–5 mm long.
[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]
Flowering: Jan.–Apr.