Flora of New Zealand Series

Slender, erect or decumbent, monoecious herb, sparsely to moderately clothed in very shortly stalked stinging hairs, otherwise sparsely hairy or ± glabrous. Lvs ovate to deltoid, acute to acuminate, truncate at base, coarsely serrate to dentate, 4-10-(12) cm long. Stipules 4 per node, entire. Most racemes unisexual; ♀ racemes above ♂ on the stem.

N.; S.; St.

Also indigenous to Australia.

Lowland to montane forest, forest margins and shaded open places throughout.

In N.Z., U. incisa is fairly uniform but Australian material is quite variable. Most Australian plants are taller, more robust, more often strictly ♂ or ♀, and have more-sharply stinging hairs.