Belladonna

Belladonna is a Mundane plant, with Magical uses. Fluids from the poisonous plant are used by students at Hogwarts School of Witchcraft and Wizadry in  Potions Class, where it is apart of their standard potion making-kit. Other names for Belladonna are Atropa, Deadly Nightshade, Deaths Herb, Dwale, and Witch's berry.