turnip-rooted celery vs Apium graveolens rapaceum

turnip-rooted celery and Apium graveolens rapaceum both are nouns.

Word	Noun	Adjective	Verb	Adverb
turnip-rooted celery	Yes	No	No	No
Apium graveolens rapaceum	Yes	No	No	No

As nouns, turnip-rooted celery and Apium graveolens rapaceum are synonyms defined as:

turnip-rooted celery and Apium graveolens rapaceum: grown for its thickened edible aromatic root

Other synonyms of turnip-rooted celery include celeriac, celery root, knob celery, root celery.

turnip-rooted celery (noun)	Apium graveolens rapaceum (noun)
grown for its thickened edible aromatic root	grown for its thickened edible aromatic root