Rhizome scaly; bulblets 0.
Leaf: basal, sometimes a few cauline; blade ovate, base cordate to reniform, lobes and teeth generally shallow, irregular.
Inflorescence: panicle, often spike- or raceme-like; bracts generally scale-like.
Flower: radial or ± bilateral; hypanthium partly fused to ovary; calyx lobes equal or not; petals 0 or 5, generally equal, clawed, generally white; stamens 5, generally equal; pistil 1, ovary > 1/2-inferior, chamber 1, placentas 2, parietal.
Fruit: capsule.
Seed: red-brown, minutely spiny.
50 species: North America. (J.H. von Heucher, German professor of medicine, 1677–1747) Highly variable; needs study. [Jepson]