leafy herb with fibrous or tuberous roots. Leaves alternate, often radial.
Flowers regular in axillary or terminal panicles or clusters of 1- 6 flowers.
Stamens 3 with bearded or naked filaments Staminodes 1 – 3. Ovary 3-locular,
ovule 1 or more in each locule. Fruit a capsule of 3 equal locules. Seeds 1- 5
in each locule.