3 species naturalized Aust.; Qld, NSW, Vic., Tas.
Perennial herbs, stems rooting at the nodes. Leaves sheathing at the base, glabrous or ciliate. Inflorescences axillary or terminal. Flowers regular, bisexual in a sessile, terminal cluster subtended by 2 unequal leaf-like bracts. Sepals free or fused, petals free or fused at base. Stamens 6, filaments bearded. Ovary 3-locular. Fruit a papery capsule.