Hyoscyamus niger vs henbane

Hyoscyamus niger and henbane both are nouns.

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

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

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

Other synonyms of Hyoscyamus niger include black henbane, stinking nightshade.

Hyoscyamus niger (noun)	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