Acetosa Mill.

2 species naturalized Aust.; all states and territories

Annual or perennial herbs or small shrubs; erect or climbing. Flowers small, in whorl-like clusters and arranged in long racemes or panicles; usually unisexual. Perianth segments 6, nor winged or toothed, the inner 3 membranous and inflated in fruit. Styles 3-fid, stigmas branched and fringed. Nut triquetrous.