Fraxinus dipetala vs flowering ash

Fraxinus dipetala and flowering ash both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fraxinus dipetala	Yes	No	No	No
flowering ash	Yes	No	No	No

As nouns, Fraxinus dipetala and flowering ash are synonyms defined as:

Fraxinus dipetala and flowering ash: shrubby California ash with showy off-white flowers

Fraxinus dipetala (noun)	flowering ash (noun)
shrubby California ash with showy off-white flowers	southern Mediterranean ash having fragrant white flowers in dense panicles and yielding manna
	shrubby ash of southwestern United States having fragrant white flowers
	shrubby California ash with showy off-white flowers