Caespitose to rhizomatous herbs. Inflorescences axillary or terminal in panicles of fan-shaped and few-flowered cymes or of many-flowered clusters, each with 1-2 spathes. Flowers actinomorphic, pedicelled, bluish or yellowish. Stamens 3, united into a tube at the base, rarely nearly free. Ovary: Capsules exserted. Seeds small, globose.
Asia-Tropical:, New Guinea present Australasia: Central and South America: present East Malesia: present New Zealand: present
About 100 spp. in Central and South America, 1 native sp. in New Zealand, Australia and East Malesia (New Guinea); also one species introduced.
The Papuan-Australasian species was mostly arranged in the closely allied genus Libertia SPR. However, the tepals are not dimorphic but about similar so that it must be arranged in Sisyrinchium.