Hyoscyamus niger vs black henbane

Hyoscyamus niger and black henbane both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hyoscyamus niger	Yes	No	No	No
black henbane	Yes	No	No	No

As nouns, Hyoscyamus niger and black henbane are synonyms defined as:

Hyoscyamus niger and black henbane: poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine

Other synonyms of Hyoscyamus niger include henbane, stinking nightshade.

Hyoscyamus niger (noun)	black henbane (noun)
poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine	poisonous fetid Old World herb having sticky hairy leaves and yellow-brown flowers; yields hyoscyamine and scopolamine