silk tree vs Albizia julibrissin

silk tree and Albizia julibrissin both are nouns.

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

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

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

Other synonyms of silk tree include Albizzia julibrissin.

silk tree (noun)	Albizia 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