Dracunculus vulgaris vs green dragon

Dracunculus vulgaris and green dragon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dracunculus vulgaris	Yes	No	No	No
green dragon	Yes	No	No	No

As nouns, Dracunculus vulgaris and green dragon are synonyms defined as:

Dracunculus vulgaris and green dragon: European arum resembling the cuckoopint

Other synonyms of Dracunculus vulgaris include dragon arum.

Dracunculus vulgaris (noun)	green dragon (noun)
European arum resembling the cuckoopint	early spring-flowering plant of eastern North America resembling the related jack-in-the-pulpit but having digitate leaves, slender greenish yellow spathe and elongated spadix
	European arum resembling the cuckoopint