Aristolochiales vs plant order

Aristolochiales and plant order both are nouns.

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

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

Aristolochiales: order of plants distinguished by tubular petaloid perianth and inferior ovary
plant order: the order of plants

Aristolochiales (noun)	plant order (noun)
order of plants distinguished by tubular petaloid perianth and inferior ovary	the order of plants