Jimsonweed – Datura stramonium

Jimsonweed plant

Jimsonweed plant

Jimsonweed fruit

Jimsonweed fruit

Jimsonweed mature capsule

Jimsonweed mature capsule

Jimsonweed leaf

Jimsonweed leaf

Jimsonweed seedling

Jimsonweed seedling

Jimsonweed

Datura stramonium L.
Solanaceae (Nightshade family)

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.