Principal English Translation: 

a plant with medicinal values, also called toloatzin

Attestations from sources in English: 

"The seed, dried, ground and mixed together with glutinous resin, heals broken bones admirably and restores dislocated bones to their proper places. For this reason, the Indians put some feathers on top {of the mixture upon the injured limb} and supports it with splints; when this has been done, they place the sick persons in steam baths." (Central Mexico, 1571–1615)
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), 129.