order Pandanales vs plant order

order Pandanales and plant order both are nouns.

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

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

order Pandanales (noun)	plant order (noun)
families Typhaceae, Sparganiaceae, Pandanaceae	the order of plants