Family Code: HELONI Genus Code: HELON Genus CN: helonias Genus Authority: L. Genus Summary: A monotypic genus, an herb of temperate e. North America. Although Helonias has traditionally been considered a monotypic genus, Takahashi & Kawano (1989) have suggested that the closely related Heloniopsis and Ypsilandra (both of e. Asia) may be congeneric. Genus References: Zomlefer (1997a)=Z; Utech in FNA (2002a); Tamura in Kubitzki (1998a). Last Updated: 2019-11-29 Publish: 1