Rosales vs plant order

Rosales and plant order both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rosales	Yes	No	No	No
plant order	Yes	No	No	No

As nouns, plant order is a hypernym of Rosales; that is, plant order is a word with a broader meaning than Rosales:

Rosales (noun)	plant order (noun)
in some classifications this category does not include Leguminosae	the order of plants