Family Code: CANNAB Genus Code: CANNA Genus CN: hemp Genus Authority: L. Genus Summary: A genus of 1-3 species, herbs, originally native to c. Asia. Cannabis was formerly widely cultivated nearly worldwide for the fiber hemp; it is now better known as the source of the drug marijuana. Genus References: Small in FNA (1997); Hillig & Mahlberg (2004); Kubitzki in Kubitzki, Rohwer, & Bittrich (1993). Last Updated: 2019-11-29 Publish: 1