Erect, glabrous herbs. Leaves cauline, with tubular, ensheathing bases; Flowers solitary, in a few-flowered cluster or in a raceme terminating the stem. Ovary superior, sessile, ovoid, oblong or obovoid, 3-celled; Capsule globose, cylindrical or ellipsoid, loculicidal. Seeds globose or angular;
Asia-Tropical: Australasia: Madagascar: present New Zealand: present SE. Asia: present Southern and tropical Africa: present
Southern and tropical Africa (5 spp.), Madagascar (2 spp.), SE. Asia (4 spp.), of which one species extends through Malesia to Australia, and New Zealand.