A Project of the World Flora Online Consortium
Herbs, perennial, or subshrubs, 0.4–8 dm. <Stems not dimorphic, hairy, usually some hairs (chasmogamous), 1–20 per capsule (cleistogamous). x = 10.
SELECTED REFERENCE Daoud, H. S. and R. L. Wilbur. 1965. A revision of the North American species of Helianthemum (Cistaceae). Rhodora 67: 63–82; 201–216; 255–312.