Family Code: AMARAN Genus Code: AMARA Genus CN: pigweed Genus Authority: L. Genus Summary: A genus of about 60 species, all annual herbs, of tropical and temperate regions. Genus References: Mosyakin & Robertson in FNA (2003b); Costea & Tardif (2003b)=Y; Henrickson (1999)=Z; Sauer (1955)=X; Costea, Sanders & Waines (2001a, 2001b); Waselkov & Olsen (2014)=V; Townsend in Kubitzki, Rohwer, & Bittrich (1993). Key based closely on Mosyakin & Robertson in FNA (2003b) and Sauer (1955). Last Updated: 2019-11-29 Publish: 1