Family Code: AMARAN Genus Code: GUILL Genus CN: matweed Genus Authority: Kunth Genus Summary: A genus of 2-5 species of sw. North America, Central America, and South America. Genus References: Clemants in FNA (2003b); Henrickson (1987)=Z; Townsend in Kubitzki, Rohwer, & Bittrich (1993). Last Updated: 2019-11-29 Publish: 1