34 A.O. TUCKER AND J. JANICK
and poisonous. Another species which is similar isJ. podagricaHook.,
native from southern Mexico to Nicaragua but the leaflets are typically
broader and not as deeply cut asJ. cathartica.
- Fol. 93v.Manihot rubricaulis(Fig. 1.30).The stout, thickened roots,
palmately compound leaves, and reddish fruits (Fig. 1.30a) all fit the
genusManihot. This phytomorph is most probablyManihot rubricaulis
I. M. Johnst. (Fig. 1.30b) from northern Mexico. This close relative
to the cassava,M. esculentaCrantz, has thinner, more deeply lobed
leaves, and also bears tuberous roots (Hancock 2012).Manihot rubri-
caulisis perhaps illustrated in fol. 43v of the Codex Cruz-Badianus as
(a)(b)(c)Fig. 1.30. Manihot rubricaulis: (a) fol. 93v; (b) leaf ofM. rubricaulis(Source:Sky
Jacobs, wildsonora.com); (c) tubers ofM. esculenta(Source: David Monniaux, https://en.
wikipedia.org/wiki/Cassava#/media/File:Manihot_esculenta_dsc07325.jpg, used under
CC-BY-SA 3.0, http://creativecommons.org/licenses/by-sa/3.0/)..)