The correct option is A Atropa
A. Atropa
Reason: Atropa is the genus of flowering plants which belongs to the family Solanaceae. It includes tall, calciphyte (thrives in lime-rich soil), herbaceous perennials which bears large leaves and glossy berries, dangerous due to its high toxicity. Atropa belladonna, generally known as belladonna, is a perennial herbaceous plant. Belladonna contains tropane alkaloids. It is used as a cosmetic, medicinal purpose etc. Hence, belladonna is obtained from Atropa.