Colubrina vs magnoliopsid genus

Colubrina and magnoliopsid genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Colubrina	Yes	No	No	No
magnoliopsid genus	Yes	No	No	No

As nouns, magnoliopsid genus is a hypernym of Colubrina; that is, magnoliopsid genus is a word with a broader meaning than Colubrina:

Colubrina: mostly tropical American shrubs or small trees with small yellowish flowers and yellow or red fruits
magnoliopsid genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Colubrina include dicot genus.

Colubrina (noun)	magnoliopsid genus (noun)
mostly tropical American shrubs or small trees with small yellowish flowers and yellow or red fruits	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination