Sep erect to spreading, obtuse; pet yellow (in ours), obovate to narrowly spatulate; glands at base of the small stamens 2, often confluent or appendaged; ovary subglobose, often short-stipitate; ovules 1-15 per locule; style slender, ±elongate, usually persistent; stigma capitate; fr short, usually inflated, globose to ellipsoid or obovoid, or sometimes ±flattened; herbs ±canescent with stellate hairs or scales, and with entire or toothed to seldom pinnatifid lvs. 90, N. and S. Amer., Siberia.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.