1. Plural of jimson; poisonous plants of the genus Datura, especially Datura stramonium (jimsonweed), having white or purple flowers and spiny seed pods.
Usage: Usually used in the phrase 'jimson weed' or 'jimsonweed' (singular or collective); the plural 'jimsons' is less common but refers to multiple plants or species.

Examples

• The field was overgrown with jimsons that had spread from the abandoned farm.
• Jimsonweed, or jimsons as some call the plants, contains tropane alkaloids that are highly toxic.
• Farmers work to remove jimsons from pastures to protect livestock from poisoning.
• The spiky seed pods of jimsons are distinctive and easy to identify in late summer.