Erect or sprawling, tuberous geophyte, 5-15 cm. Leaves opposite but lowest in a whorl of 4, thin-textured, sometimes hairy, spathulate or petiolate, suborbicular-reniform, sometimes toothed. Flowers in terminal and axillary thyrses, star-shaped, white to cream-coloured, petals 2.5-3.5 mm long.