family Brassicaceae vs Papaverales

family Brassicaceae and Papaverales both are nouns.

Word	Noun	Adjective	Verb	Adverb
family Brassicaceae	Yes	No	No	No
Papaverales	Yes	No	No	No

family Brassicaceae (noun)	Papaverales (noun)
a large family of plants with four-petaled flowers; includes mustards, cabbages, broccoli, turnips, cresses, and their many relatives	an order of dicotyledonous plants, containing the families Capparidaceae, Cruciferae, Moringaceae, Papaveraceae, Resedaceae, and Tovariaceae (Rhoeadales, Papaverales)