huitzmamaxalli.

a tree with leaves that resemble the mesquite or the tamarind, with yellow flowers and edible seed pods; the trunk and branches have horn-like spikes (Valley of Mexico, 1570–1587)
The Mexican Treasury: The Writings of Dr. Francisco Hernández, ed. Simon Varey, transl. Rafael Chabrán, Cynthia L. Chamberlin, and Simon Varey (Stanford: Stanford University Press, 2000), 124.