Vinca vs magnoliopsid genus

Vinca and magnoliopsid genus both are nouns.

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

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

Vinca: periwinkles: low creeping evergreen perennials
magnoliopsid genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Vinca include dicot genus.

Vinca (noun)	magnoliopsid genus (noun)
periwinkles: low creeping evergreen perennials	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination