ribbon tree vs Plagianthus regius

ribbon tree and Plagianthus regius both are nouns.

Word	Noun	Adjective	Verb	Adverb
ribbon tree	Yes	No	No	No
Plagianthus regius	Yes	No	No	No

As nouns, ribbon tree and Plagianthus regius are synonyms defined as:

ribbon tree and Plagianthus regius: deciduous New Zealand tree whose inner bark yields a strong fiber that resembles flax and is called New Zealand cotton

Other synonyms of ribbon tree include Plagianthus betulinus, ribbonwood.

ribbon tree (noun)	Plagianthus regius (noun)
deciduous New Zealand tree whose inner bark yields a strong fiber that resembles flax and is called New Zealand cotton	deciduous New Zealand tree whose inner bark yields a strong fiber that resembles flax and is called New Zealand cotton