clammy locust vs Robinia viscosa

clammy locust and Robinia viscosa both are nouns.

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

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

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

clammy locust (noun)	Robinia viscosa (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