Description: Rigid or wiry, rush-like, perennial herbs or subshrubs with green stems.
Leaves alternate, with or without a petiole, lacking stipules. Blades are simple, linear or progressively reduced upwards to scales along the stem. Leaf blades with entire margins and obscure venation.
Inflorescences many-flowered, axillary or terminal compound cymes, or flowers solitary in the leaf axils. Flowers actinomorphic and bisexual. The five or ten sepals are in two whorls and fused at the base. Petals are five and free, or absent. The eight stamens have filiform filaments that are fused to each other at the base. Anthers are basifixed and opening by lengthwise slits. The superior ovary is composed of three carpels that are fused into a single (or rarely three) locule(s). The three stylodes are fused into a single style at the base, each with an unlobed stigma.
Fruits loculicidal capsules with up to ten seeds.
Distribution and occurrence: World 1 genus, 10 species, all endemic to Australia
Text by Christenhusz et al. (2014); page created by H. Sauquet (Oct 2020)
Taxon concept: Christenhusz et al. (2014); APG IV (2016)
|One genus in NSW: Macarthuria|