Small shrubs or twiners. Leaves alternate, sometimes clustered, entire or toothed. Inflorescence a cyme, usually corymbose, or flowers solitary, axillary or terminal. Flowers subtended by a bract and 1 or 2 bracteoles; sepals sometimes unequal, free or shortly fused at the base; petals free, more or less spreading, exceeding sepals; stamens turned to one side of ovary, anthers longer than filaments, opening via 2 terminal pores. Fruit a 2-valved capsule, dehiscing loculicidally; seeds numerous.
Endemic Australian genus of 5 species, in all States except Northern Territory and Tasmania.