Glabrous perennial herbs with short, non-bulbous stock and fleshy roots. Leaves linear, alternate, with wide, scarious, sheathing base. Flowers numerous, yellow or white, in a dense terminal raceme; bracts persistent, scarious, each subtending 1-3(-5) flowers. Pedicels articulated. Perianth with a very short tube and narrow, patent, 3-veined segments. Stamens and style curved downwards, the stamens unequal; filaments glabrous, dilated at the base; anthers dorsifixed, introrse. Fruit aloculicidal capsule; seeds 6.