Polygonum L.

5 species in Aust.; all states and territories

Prostrate to erect, annual or perennial herbs. Stipules deeply cut, silvery to white. Flowers small, usually bisexual, in axillary bracteate clusters up to 6-flowered, often forming panicles or sometimes solitary. Perianth segments usually 5, almost equal. Stamens 5–8. Styles 2–3, sometimes connate near the base. Nut enclosed in the persistent perianth.