Perennial bulbous herbs with or without a rhizome. Scapigerous. Leaves mostly radical, cylindrical, semicylindrical, filiform to lanceolate or oval, fistular or not fistular; leaf bases sheathing. Inflorescence a cymose umbel, enclosed in a spathe when young. Tepals 6, in 2 whorls, 1-7-nerved, free or connate. Stamens 6, free or connate. Ovary superior, trilocular. Fruit capsular, dehiscence loculicidal. Seeds compressed to subglobose.