Salix vs hamamelid dicot genus

Salix and hamamelid dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Salix	Yes	No	No	No
hamamelid dicot genus	Yes	No	No	No

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

Salix: a large and widespread genus varying in size from small shrubs to large trees: willows
hamamelid dicot genus: genus of mostly woody relatively primitive dicotyledonous flowering plants with flowers often unisexual and often borne in catkins

Salix (noun)	hamamelid dicot genus (noun)
a large and widespread genus varying in size from small shrubs to large trees: willows	genus of mostly woody relatively primitive dicotyledonous flowering plants with flowers often unisexual and often borne in catkins