Thirty-six images of Atropa belladona, Belladonna, Deadly Nightshade a member of the Solanaceae, native to Eurasia. It is one of the most famous poisonous plants, containing the toxic bioactive alkaloids hyoscyamine, atropine, and scopalomine. Atropine is a cholinergic blocking ageny, mydriatic, antispasmodic and nerve gas antidote.