Juglans regia vs English walnut tree

Juglans regia and English walnut tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
Juglans regia	Yes	No	No	No
English walnut tree	Yes	No	No	No

As nouns, Juglans regia and English walnut tree are synonyms defined as:

Juglans regia and English walnut tree: Eurasian walnut valued for its large edible nut and its hard richly figured wood; widely cultivated

Other synonyms of Juglans regia include Circassian walnut, English walnut, Persian walnut.

Juglans regia (noun)	English walnut tree (noun)
Eurasian walnut valued for its large edible nut and its hard richly figured wood; widely cultivated	Eurasian walnut valued for its large edible nut and its hard richly figured wood; widely cultivated