Family Code: CALYCA Genus Code: CALYC5 Genus CN: sweetshrub Genus Authority: L. Genus Summary: A genus of 2-4 species, 2 (or 1) of e. North America, 1 of w. North America, and 1 of China (the latter sometimes segregated as a separate genus, Sinocalycanthus). Genus References: Johnson in FNA (1997); Kubitzki in Kubitzki, Rohwer, & Bittrich (1993); Nicely (1965)=Z; Ferry & Ferry (1987)=Y. Last Updated: 2019-11-29 Publish: 1