[plant] Castilla (sometimes incorrectly spelled Castilloa) is a tree genus belonging to the family Moraceae found native in Central America. It is named after Juan Diego del Castillo (d. 1793), a botanist, who was a friend of Vicente Cervantes, who chose the name in his friend`s honor. The main species is Castilla elastica, one of several p... Found on http://en.wikipedia.org/wiki/Castilla_(plant)