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Common name: Thornapple Botanical name: Datura stramonium
Family: Solanaceae Maximum height: 1 metre

 

Where found:

  • Common in gardens, roadsides, disturbed ground and pasture.
Description:
  • A stout branched summer annual.
  • The large white, sometimes light purple, trumpet shaped flowers sit in the centre of the leaf axle and open in the evening. Green round capsules, about 3 - 5 centimetres long and 2 - 3 centimetres wide, are covered in long spines. The fruit splits when it is ripe revealing many large brown or black kidney shaped poisonous seeds.
  • Large dark green alternate oval leaves, up to 30 centimetres long by 20 centimetres wide, irregular pointed teeth.
  • The stem of the plant is thick, green and occasionally purple.
  • All parts of the plant, especially the seeds, are poisonous. Stock rarely graze it while it is fresh but it is still poisonous in hay.

Control measures

  • Do not allow plants to flower and seed. Pull out or use herbicide.
  • Thornapple is relatively easy to control using Glyphosate (eg.Round-up).

 

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