tepetlachichicxihuitl.

also known as chichixihuitl, this is an herb with a medicinal value; the juice from the herb was believed to alleviate indigestion and afflictions of the chest; could also "purge phlegmatic and bilious humors"

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), 140.