ribbon tree vs New Zealand cotton

ribbon tree and New Zealand cotton both are nouns.

Word	Noun	Adjective	Verb	Adverb
ribbon tree	Yes	No	No	No
New Zealand cotton	Yes	No	No	No

ribbon tree (noun)	New Zealand cotton (noun)
deciduous New Zealand tree whose inner bark yields a strong fiber that resembles flax and is called New Zealand cotton	a fiber from the bast of New Zealand ribbon trees that resembles cotton fiber