They are purple trumpet trees (Tabebuia impetiginosa) and they are covered in showy, lavender, ... Coral bean (Erythrina herbacea): small native deciduous tree, 5-15 feet tall, ...

Coral bean (Erythrina herbacea): Deciduous, 8 to 15 feet tall, 8- to 10-foot spread. ... Purple trumpet tree (Tabebuia impetiginosa): Deciduous, 12 to 18 feet tall, 10- to 15-foot spread.