Tufted, evergreen, perennial herb. Leaves distichous, many, flat, grass-like. Inflorescence panicle-like, branches clustered with a spreading bract at their base; scape terete. Flowers actinomorphic; perianth parts free for most of their length (floral tube short), spreading, white, outer perianth slightly or much smaller than inner perianth; stamens exserted, spreading, filaments fused at base only, anthers elliptic, sub-basifixed; style deeply 3-branched, branches entire, filiform, slightly channelled or keeled, stigmas terminal, minute. Capsule ovoid to subglobose; seeds many, rounded to angular, with aril absent.
12 species in South America and Australasia; 2 species native in Australia and Victoria.