In Costa Rica it is the name of a tree, also known as caracaro, ear, ear sprocket or kidney ear in Colombia. It is the national tree of Costa Rica. Its scientific name is Enterolobium cyclocarpum and belongs to the family Fabaceae . In Honduras, Nicaragua also calls it guanacaste. In Guatemala and El Salvador is called conacaste. In Mexico they call it huanacaxtle and Panama conotú. In Venezuela they call it carocaro or caracaro. In Costa Rica there is a Province and a mountain range that bear the name of Guanacaste. There is also a Natural National Park with that name.
