mostrante.

(a loanword from Spanish)

Headword: 
mostrante.
Principal English Translation: 

a plant found in Nahuatl-language texts; smells like mint

Miriam Melton-Villanueva, The Aztecs at Independence: Nahua Culture Makers in Central Mexico, 1799–1832 (Tucson: University of Arizona Press, 2016), 146, and note 1, page 222.

Orthographic Variants: 
mostranza