Dirca vs magnoliopsid genus

Dirca and magnoliopsid genus both are nouns.

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

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

Dirca: deciduous shrub of North America: leatherwood
magnoliopsid genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Dirca include dicot genus.

Dirca (noun)	magnoliopsid genus (noun)
deciduous shrub of North America: leatherwood	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination