Plants are of great importance in human life. Give three examples of plants from the Nightshade family, so that one is edible, one is poisonous, and one is ornamental.

The Nightshade family (Solanaceae) is diverse and includes plants with various uses. Here are three examples:

• Edible: Tomato (Solanum lycopersicum) - widely cultivated for its fruit, which is a staple in many cuisines worldwide.
• Poisonous: Belladonna (Atropa belladonna) - also known as deadly nightshade, it contains highly toxic alkaloids like atropine and scopolamine.
• Ornamental: Petunia (Petunia × hybrida) - popular for its colorful and showy flowers, grown in gardens and as houseplants.

Answer: Tomato (edible), Belladonna (poisonous), Petunia (ornamental)