order Caryophyllales vs four-o'clock family

order Caryophyllales and four-o'clock family both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Caryophyllales	Yes	No	No	No
four-o'clock family	Yes	No	No	No

order Caryophyllales (noun)	four-o'clock family (noun)
corresponds approximately to the older group Centrospermae	a family of flowering plants of the order Caryophyllales