Perennial climber with long stems. Leaves arrow shaped with basal lobes widespreading, tip pointed. Leaf stalk at least as long as leaf blade. Flower heads in clusters of several flowers; summer to autumn. Fruiting stalks thin, jointed in lower half. Fruit swollen, papery, often pinkish. [Rumex sagittatus Thunb.]
Naturalised weed of waste places, often in moist sandy soils.
Source: (1997). Polygonaceae. In: . Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.