xopitza.

Headword: 
xopitza.
Principal English Translation: 

mushroom (see Karttunen)

IPAspelling: 
ʃopitsɑ
Frances Karttunen: 

XOPITZA mushroom / hongo (Z) [(2)Zp.68,230]. M has xopitzactli ‘shank’ literally ‘thin leg.’ Possibly this refers to a mushroom that has a long, slender stalk. See XŌLĒPITZĀHUAC.
Frances Karttunen, An Analytical Dictionary of Nahuatl (Norman: University of Oklahoma Press, 1992), 331.