"Soy nopal de castilla"

Nopal de Castilla
Creative Commons AttributionNopal de Castilla - Credit: Van Swearingen
This cactus variety--which grows to a height of ten or twenty feet--is one of the few members of the "prickly pear" family that has no thorns.  It is cultivated for its fruit.  Nopales of all types are used for food and for medicinal purposes.