Erythrina /ˌɛrɨˈθraɪnə/ is a genus of flowering plants in the pea family, Fabaceae. It contains about 130 species, which are distributed in tropical and subtropical regions worldwide. They are trees, growing up to 30 m (98 ft) in height. The generic name is derived from the Greek word ερυθρóς (erythros), meaning "red," referring to the flower color of certain species.Particularly in horticulture, the name coral tree is used as a collective term for these plants.