silk tree vs Albizzia julibrissin

silk tree and Albizzia julibrissin both are nouns.

Word	Noun	Adjective	Verb	Adverb
silk tree	Yes	No	No	No
Albizzia julibrissin	Yes	No	No	No

As nouns, silk tree and Albizzia julibrissin are synonyms defined as:

silk tree and Albizzia julibrissin: attractive domed or flat-topped Asiatic tree having bipinnate leaves and flowers with long silky stamens

Other synonyms of silk tree include Albizia julibrissin.

silk tree (noun)	Albizzia julibrissin (noun)
attractive domed or flat-topped Asiatic tree having bipinnate leaves and flowers with long silky stamens	attractive domed or flat-topped Asiatic tree having bipinnate leaves and flowers with long silky stamens