The question asks to identify which of the listed plants is a member of the Solanaceae family. Let's examine each option provided.

Understanding the Solanaceae Family

The Solanaceae, also known as the nightshade family, is a large and important family of flowering plants. It includes many economically important plants, such as potatoes, tomatoes, eggplants, peppers, and tobacco, as well as some medicinal plants and several toxic species.

Analyzing the Options for Solanaceae Membership

We need to determine if Capsicum annuum, Atropa belladonna, and Withania somnifera belong to the Solanaceae family.

• Capsicum annuum: This species includes many common varieties of peppers, such as bell peppers, jalapeños, and chili peppers. Botanically, Capsicum annuum is classified within the Solanaceae family.

• Atropa belladonna: Commonly known as deadly nightshade, Atropa belladonna is a highly toxic perennial herbaceous plant. It is historically significant for its medicinal and poisonous properties. Atropa belladonna is also a member of the Solanaceae family.

• Withania somnifera: Often called Ashwagandha or Indian Ginseng, Withania somnifera is a plant widely used in traditional medicine, particularly in Ayurveda. Like the others, Withania somnifera is classified under the Solanaceae family.

Conclusion Based on Plant Classification

Based on botanical classification, all three plants listed in the options — Capsicum annuum, Atropa belladonna, and Withania somnifera — are members of the Solanaceae family.

Therefore, since more than one of the options provided are members of the Solanaceae family, the correct answer is "More than one of the above".