desert willow vs Chilopsis linearis

desert willow and Chilopsis linearis both are nouns.

Word	Noun	Adjective	Verb	Adverb
desert willow	Yes	No	No	No
Chilopsis linearis	Yes	No	No	No

As nouns, desert willow and Chilopsis linearis are synonyms defined as:

desert willow and Chilopsis linearis: evergreen shrubby tree resembling a willow of dry regions of southwestern North America having showy purplish flowers and long seed pods

desert willow (noun)	Chilopsis linearis (noun)
evergreen shrubby tree resembling a willow of dry regions of southwestern North America having showy purplish flowers and long seed pods	evergreen shrubby tree resembling a willow of dry regions of southwestern North America having showy purplish flowers and long seed pods