Cathaya vs coniferous tree

Cathaya and coniferous tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cathaya	Yes	No	No	No
coniferous tree	Yes	No	No	No

As nouns, coniferous tree is a hypernym of Cathaya; that is, coniferous tree is a word with a broader meaning than Cathaya:

Cathaya: Chinese evergreen conifer discovered in 1955; not yet cultivated elsewhere
coniferous tree: any gymnospermous tree or shrub bearing cones

Other hypernyms of Cathaya include conifer.

Cathaya (noun)	coniferous tree (noun)
Chinese evergreen conifer discovered in 1955; not yet cultivated elsewhere	any gymnospermous tree or shrub bearing cones