Guanacaste (Enterolobium cyclocarpum) also known as elephant-ear tree or devil's ear is a species of flowering tree in the pea family, Fabaceae. It is native to tropical regions of the Americas. It is the national tree of Costa Rica.
Common names in some other languages are:
- Spanish: guanacaste, árbol de las orejas, parota
- French: bois tanniste rouge, oreille d'éléphant
- German: Affenseife
Enterolobium cyclocarpum, the scientific name of the guanacaste tree was given by August Grisebach to this plant in 1864.