black haw vs Bumelia lanuginosa

black haw and Bumelia lanuginosa both are nouns.

Word	Noun	Adjective	Verb	Adverb
black haw	Yes	No	No	No
Bumelia lanuginosa	Yes	No	No	No

As nouns, black haw and Bumelia lanuginosa are synonyms defined as:

black haw and Bumelia lanuginosa: deciduous tree of southeastern United States and Mexico

Other synonyms of black haw include chittamwood, chittimwood, false buckthorn, shittimwood.

black haw (noun)	Bumelia lanuginosa (noun)
upright deciduous shrub having frosted dark-blue fruit; east and east central North America	deciduous tree of southeastern United States and Mexico
deciduous tree of southeastern United States and Mexico