Family Code: AMARAN Genus Code: ALTER2 Genus CN: joyweed Genus Authority: Forssk. Genus Summary: A genus of about 100 species, tropical and warm temperate, especially in America. Genus References: Clemants in FNA (2003b); Townsend in Kubitzki, Rohwer, & Bittrich (1993). Key based in part on Clemants in FNA (2003b). Last Updated: 2019-11-29 Publish: 1