edible asparagus vs asparagus

edible asparagus and asparagus both are nouns.

Word	Noun	Adjective	Verb	Adverb
edible asparagus	Yes	No	No	No
asparagus	Yes	No	No	No

As nouns, edible asparagus and asparagus are synonyms defined as:

edible asparagus and asparagus: plant whose succulent young shoots are cooked and eaten as a vegetable

Other synonyms of edible asparagus include Asparagus officinales.

edible asparagus (noun)	asparagus (noun)
plant whose succulent young shoots are cooked and eaten as a vegetable	edible young shoots of the asparagus plant
	plant whose succulent young shoots are cooked and eaten as a vegetable