Family Code: RHAMNA Genus Code: GOUAN Genus CN: chewstick Genus Authority: Jacq. Genus Summary: A genus of ca. 50 species, shrubs, of tropical America. Genus References: Pool (2014)=Y; Nesom in FNA (in prep.); Brizicky (1964a)=Z; Medan & Schirarend in Kubitzki (2004). Last Updated: 2019-11-29 Publish: 1