autumn crocus vs Colchicum autumnale

autumn crocus and Colchicum autumnale both are nouns.

Word	Noun	Adjective	Verb	Adverb
autumn crocus	Yes	No	No	No
Colchicum autumnale	Yes	No	No	No

As nouns, autumn crocus and Colchicum autumnale are synonyms defined as:

autumn crocus and Colchicum autumnale: bulbous autumn-flowering herb with white, purple or lavender-and-white flowers; native to western and central Europe

Other synonyms of autumn crocus include meadow saffron, naked lady.

autumn crocus (noun)	Colchicum autumnale (noun)
bulbous autumn-flowering herb with white, purple or lavender-and-white flowers; native to western and central Europe	bulbous autumn-flowering herb with white, purple or lavender-and-white flowers; native to western and central Europe