Ledum vs dilleniid dicot genus

Ledum and dilleniid dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ledum	Yes	No	No	No
dilleniid dicot genus	Yes	No	No	No

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

Ledum: evergreen shrubs of north temperate regions
dilleniid dicot genus: genus of more or less advanced dicotyledonous trees and shrubs and herbs

Ledum (noun)	dilleniid dicot genus (noun)
evergreen shrubs of north temperate regions	genus of more or less advanced dicotyledonous trees and shrubs and herbs