54 A.O. TUCKER AND J. JANICK
(b)(a)Fig. 1.52. Urticasp.: (a) fol. 25v; (b)U. chamaedryoides(Courtesy of Steve Baskauf).
of the dentate, lanceolate leaves, and reddish inflorescences, seems to
beUrtica chamaedryoidesPursh, heart-leaf nettle (Fig. 1.52b). This is
native from Canada to northern Mexico.Urticaand the closely related
genusUreraalso occur in the Codex Cruz-Badianus (Emmart 1940; Cruz
and Badiano 1991; Gates 2000; Clayton et al. 2009) and Hernandez et al. ́
(1651).