Tufted, rhizomatous perennials. Roots fibrous, sometimes rather fleshy. Leaves few, reduced to bracts shortly above base. Inflorescence a panicle. Flowers bisexual, solitary or in few-flowered clusters; perianth segments free, subequal, spirally twisting after anthesis, sepals shortly hooded, with an adaxial apical appendage; stamens 6, shortly basally fused to and shorter than perianth segments, filaments sometimes papillate, anthers basifixed; ovary superior, 3-locular; ovules 2 per locule; style filiform, stigma minute, capitate. Fruit a tardily dehiscent capsule or indehiscent nutlet; seeds oblong, angular, black, arillate.
6 species, endemic to Australia, principally of semi-arid areas; 1 species in Victoria.