Halesia vs magnoliopsid genus

Halesia and magnoliopsid genus both are nouns.

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

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

Halesia: deciduous small trees or shrubs of China and eastern North America
magnoliopsid genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Halesia include dicot genus.

Halesia (noun)	magnoliopsid genus (noun)
deciduous small trees or shrubs of China and eastern North America	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination