Habit: subshrubby herbs

Rhizome: with proplike roots

Stem: leafy

Leaf: characteristics: plicate or plicate-venous, petiolate, margin recurved or apex lobed

Inflorescence: type: raceme

Inflorescence: position: terminal or subterminal

Inflorescence: other characteristics: branched

Flower: other characteristics: actinomorphic

Sepal: free or similar

Column: with 2 fertile stamens

Anther: with 2 chambers

Stigma: capitate

Pollinia: number: 0

Fruit:type: capsule

Fruit:shape: cylindrical

Fruit: other characteristics: longitudinally 3-ribbed

Seed: with thick testa