Pelargonium saxatile (Geraniaceae: Section Hoarea), a new species from the southwestern Cape, South Africa, and a key to the species of the P. dipetalum group

► Pelargonium saxtile is a new species of Section Horaea ► It is known from one population on the Elandskloof Mtns ► A key is presented to all seven species of the Pelargonium dipetalum group