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Weed Seed: Datura stramonium (Jimsonweed)

Family

Solanaceae

Common Name

Jimsonweed

Regulation

Primary Noxious, Class 2 in the Canadian Weed Seeds Order, 2016 under the Seeds Act.

Distribution

Canadian: Occurs in AB, BC, MB, NB, NS, ON, PE, QC, SK (Brouillet et al. 2016Footnote 1).

Worldwide: Exact native range obscure (USDA-ARS 2016Footnote 2), present in Asia, Africa, North and South America, Europe, Australia and New Zealand (CABI 2016Footnote 3).

Duration of life cycle

Annual

Seed or fruit type

Seed

Identification features

Size

Shape

Surface Texture

Colour

Other Features

Habitat and Crop Association

Cultivated fields, row crops, old fields, gardens, farmyards, fencelines, shores, roads and disturbed areas (Royer and Dickinson 1999Footnote 4, Darbyshire 2003Footnote 5). A weed of soybeans, beans, corn, tobacco, tomatoes and sweet peppers in the midwestern United States and southern Ontario and Quebec (Weaver and Warwick 1984Footnote 6).

General Information

Jimsonweed is an aggressive colonizer of agricultural fields in almost any summer crop. Plants may produce 1,300-30,000 seeds, and these may survive up to 39 years in the soil (CABI 2016Footnote 3). Poisonous to livestock and humans (Royer and Dickinson 1999Footnote 4).

Similar species

Buffalo bur (Solanum rostratum)

Large thorn apple (Datura ferox)

Photos

Jimsonweed (Datura stramonium) seeds
Jimsonweed (Datura stramonium) seed
Jimsonweed (Datura stramonium) seed, hilum view
Jimsonweed (Datura stramonium) seed
Jimsonweed (Datura stramonium) seed, cross-section

Similar species

Similar species: Buffalo bur (Solanum rostratum) seeds
Similar species: Buffalo bur (Solanum rostratum) seed
Similar species: Large thorn apple (Datura ferox) seeds
Similar species: Large thorn apple (Datura ferox) seed
Similar species: Large thorn apple (Datura ferox) seed, hilum view
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