Pelargonium
11 species in Aust. (7 endemic, 4 naturalized); all states and territories
Herbs or shrubs. Leaves alternate or opposite, almost undivided to deeply lobed. Flowers in cymose umbels, irregular. Sepals basally connate; the posterior one with a nectiferous spur adnate to the pedicel. 2 posterior petals usually ± larger than the others and marked differently. Fertile stamens 3–8 with 2–7 staminodes. Mericarps hairy; awns with long hairs on the inner surface, detaching spirally from the beak.