Family Code: ASTERA Genus Code: POLYM Genus CN: leafcup Genus Authority: L. Genus Summary: A genus of 4 species, herbs, of e. North America. Genus References: Estes & Beck (2011)=Y; Wells (1965)=Z; Strother in FNA (2006c); Cronquist (1980)=SE. Key based on Y. [also see Smallanthus] Last Updated: 2019-11-29 Publish: 1