Urtica vs magnoliopsid genus

Urtica and magnoliopsid genus both are nouns.

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

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

Urtica: a nettle yielding fiber resembling flax
magnoliopsid genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Urtica include dicot genus.

Urtica (noun)	magnoliopsid genus (noun)
a nettle yielding fiber resembling flax	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination