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Legend for Species Pages

Jimsonweed, Chinese thorn-apple

Datura stramonium, D. quercifolia
  • ANPC Rank –
  • Moss, Flora of Alberta – N
  • Global Invasive Species Database –
  • NatureServe Rank –
  • Haber, Upland –
  • Haber, Wetland –
  • CWF, Status & Invasive Range –
  • Alberta Revegetation Guidelines – N
  • The Nature Conservancy –
  • CBCN –
  • AB Weed –


Jimsonweed is introduced, Chinese thorn-apple is native to the SW US, but not Alberta. Both are poisonous, and potentially invasive. Datura has been reported growing in gardens and waste places in Edmonton, and on roadsides in Jasper Park. There are several other species of Datura that are cultivated as ornamentals, but the plants reported in Alberta are most likely D. stramonium. Detert's photos were taken in a yard in Edmonton.

Fruit - B. Detert
Flower, closed - B. Detert
Fruit, showing valves - B. Detert
Overall from top - B. Detert
Overall, from side - B. Detert


USDA Germplasm Resources Information Network [1]

USDA Plants Database [2]