jimsonweed plant

Jimsonweed – Datura stramonium

Datura stramonium L.

Solanaceae (Nightshade family)

MI Status

Non-native

Life cycle

Erect, branching summer annual.

Leaves

Cotyledons are long and narrow with a prominent midvein. Leaves are alternate, oval to egg-shaped, 3 to 8 inches long, smooth with long petioles. First leaves are entire; later leaves have large, coarsely and unevenly toothed margins. Damaged leaves will emit a foul odor.

Stems

Erect and branching, up to 5-foot-tall stems are hollow, generally smooth and green to purple. Damaged stems emit a foul odor.

Flowers and fruit

Flower petals are large, white to purple in color and fused into a 2- to 5-inch-long tube. Fruit are very spiny, egg-shaped capsules with four valves. Each valve contains numerous flat, dark brown to black, round to kidney-shaped seeds.

Reproduction

Seeds.

Toxicity

All plant parts are toxic to animals.

Jimsonweed plant
Jimsonweed plant
Jimsonweed fruit
Jimsonweed fruit
Jimsonweed mature capsule
Jimsonweed mature capsule
Jimsonweed leaf
Jimsonweed leaf
Jimsonweed seedling
Jimsonweed seedling

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Tag List
  • annual,
  • msu plant & pest diagnostics,
  • summer annual

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