Family Code: FABACE Genus Code: APIOS Genus CN: groundnut Genus Authority: Fabr. Genus Summary: A genus of about 6 species, perennial vines, of temperate e. Asia and e. North America. Our two species are sister to one another, and otherwise most closely related to A. delavayi Franchon (Himalayan) and A. fortunei Maximowicz (of Japan, China, and Taiwan) (Li et al. 2014). Genus References: Li et al. (2014); Woods (2005)=Z; Isely (1998)=I. Key based on Z. Last Updated: 2019-11-29 Publish: 1