cacahuaxochitl.

Headword: 
cacahuaxochitl.
Principal English Translation: 

commonly called the "cacao" flower (botanical name: Quararibea funebris), but this is not botanically related to the cacao tree, it is an herb used in making the beverage called tejate; it also has medicinal value (see attestations)

Orthographic Variants: 
cacahoaxochitl
Attestations from sources in English: 

"cacao" flower (late sixteenth century, Tetzcoco?)
Ballads of the Lords of New Spain: The Codex Romances de los Señores de la Nueva España, transcribed and translated by John Bierhorst (Austin: University of Texas Press, 2009), 33.

"The cacahoaxóchitl or cacaoatl flower is an herb that has heart-shaped leaves, stems a span long, purple flowers and thick, fibrous roots. The root is sweet, with a trace of bitterness, enough to make it hot. Half an ounce powdered and taken, cures dysentery. (It grows in Yancuitlan, in Upper Mixteca.)"
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), 146.