Herb up to 30 cm high, monoecious (or dioecious?), branched; stem creeping to ascending, branches erect or ascending. Stem 0.5-5 mm thick, short-pubescent. Leaves of a pair more or less unequal in size; stipules 0.5-3 mm long, sparsely puberulous; petiole 0.2-1.5 cm long; blade papyraceous, broadly ovate to ovate (to suborbicular or elliptic to narrowly elliptic), (0.3-)1-6.5 x (0.3-)0.5-4 cm, apex rounded to obtuse to acute, base truncate to acute, margin coarsely crenate to subentire, glabrous or short-pubescent above, (short-)pubescent to pilose beneath; secondary veins (1-)2-6 pairs. Inflorescences in the leaf axils, unisexual or bisexual, up to 3.5 cm long, branched. Staminate flowers: tepals 1-1.2 mm long. Pistillate flowers: tepals 0.2-0.5 mm long. Achene ca. 0.6 mm long.
Northern America, Southern America: Brazil South (Santa Catarina present), southern Brazil present
From the West Indies and Mexico to southern Brazil (Santa Catarina).