Tribulus terrestris

Caltrop, Cat-head at Parkes, ACT

Tribulus terrestris at Parkes, ACT - 2 Feb 2017
Tribulus terrestris at Parkes, ACT - 2 Feb 2017
Tribulus terrestris at Parkes, ACT - 2 Feb 2017
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Identification history

Tribulus terrestris 2 Feb 2017 BettyDonWood
Tribulus terrestris 2 Feb 2017 Mike

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User's notes

Prostrate with stems up to 40cm. Spines on seed heads puncture bike tyres and bare feet.

3 comments

Mike wrote:
   3 Feb 2017
I rode my bike over a patch of this once and got more than 20 punctures. Obviously not worth trying to patch the tubes.
BettyDonWood wrote:
   3 Feb 2017
Pity about the probably Medicago burrs in the background. ?Crop some out of your photo.
Mike wrote:
   3 Feb 2017
Good idea. I will crop and add some other photos. Not easy from my phone.

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Location information

Sighting information

  • 101 - 1,000 Abundance
  • 2 Feb 2017 11:43 AM Recorded on
  • Mike Recorded by

Additional information

  • True In flower
  • Less than 10cm Plant height

Species information

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