Robinia viscosa vs clammy locust

Robinia viscosa and clammy locust both are nouns.

Word	Noun	Adjective	Verb	Adverb
Robinia viscosa	Yes	No	No	No
clammy locust	Yes	No	No	No

As nouns, Robinia viscosa and clammy locust are synonyms defined as:

Robinia viscosa and clammy locust: small rough-barked locust of southeastern United States having racemes of pink flowers and glutinous branches and seeds

Robinia viscosa (noun)	clammy locust (noun)
small rough-barked locust of southeastern United States having racemes of pink flowers and glutinous branches and seeds	small rough-barked locust of southeastern United States having racemes of pink flowers and glutinous branches and seeds