Gelsemium vs magnoliopsid genus

Gelsemium and magnoliopsid genus both are nouns.

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

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

Gelsemium: evergreen twining shrubs of Americas and southeastern Asia
magnoliopsid genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Gelsemium include dicot genus.

Gelsemium (noun)	magnoliopsid genus (noun)
evergreen twining shrubs of Americas and southeastern Asia	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination