Caltha vs magnoliid dicot genus

Caltha and magnoliid dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Caltha	Yes	No	No	No
magnoliid dicot genus	Yes	No	No	No

As nouns, magnoliid dicot genus is a hypernym of Caltha; that is, magnoliid dicot genus is a word with a broader meaning than Caltha:

Caltha: a genus of Caltha
magnoliid dicot genus: genus of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms

Caltha (noun)	magnoliid dicot genus (noun)
a genus of Caltha	genus of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms