Ma'anar ƙamus na kalmar "Belladonna shuka" tana nufin wani nau'in tsire-tsire masu guba, wanda kuma aka sani da Atropa belladonna, wanda ya kasance a Turai, Arewacin Afirka, da Yammacin Asiya. Itacen yana da furanni masu launin shuɗi mai launin kararrawa na musamman da berries baƙar fata masu sheki waɗanda ke ɗauke da atropine mai guba alkaloids, hyoscyamine, da scopolamine. An dade ana amfani da shukar Belladonna tsawon shekaru aru-aru domin maganinta, musamman wajen magance matsalar ido, amma kuma tana da guba sosai kuma tana iya haifar da hasashe, hasashe, har ma da mutuwa idan an sha da yawa.