quetzalmixquitl.

Headword: 
quetzalmixquitl.
Principal English Translation: 

a cactus plant with large leaves that looked like feathers
Patrizia Granziera, "Concept of the Garden in Pre-Hispanic Mexico," Garden History 29:2 (Winter 2001), 185–213.

Attestations from sources in English: 

This plant had a sacred quality and an association with Quetzalcoatl, the plumed serpent. An illustration of the plant appears in the Florentine Codex, Book 11, f. 167.
Patrizia Granziera, "Concept of the Garden in Pre-Hispanic Mexico," Garden History 29:2 (Winter 2001), 186.