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Puncturevine 03.jpg
  • Plants can sprawl for up to 2 meters

  • Introduced from Eurasia 

  • Not widespread in the Boundary


(Tribulus terrestris)

Quick Identification

  • A small, prostate plants

  • Greenish-red stems and compound leaves

  • Small, yellow, five-petaled flower

  • Small hard, spiked bur light-green to light-brown in colour

Burs are sharp enough to puncture bike tires and can cause injury to wildlife, pets, livestock, and people.  They can also become tangled in wool, decreasing the quality.

Manual removal is effective.  Plants should be pulled before seed production.  Plants with seeds need to be double bagged and taken to the landfill.  Effective herbicides are available. 

Solitary yellow flowers have five petals.

Leaves & Stems
Red-green stems grow along the ground, forming mats of up to 1 m wide.  Compound leaves alternate along the stem with sets of 4 to 8 leaflets.


Shallow taproot with finer roots which allow it to access moisture in the soil.

Reproduction & Dispersal
Only reproduces by seed.


Seeds are a small bur is spikes which easily attach to shoes, tires, and fur.  They generally remain viable for 3 to six years but can last longer under ideal conditions.

Preferred Habitat
Grows in dry, sandy or gravelly soils on roadsides, and trails.

Interesting Facts
Burs have sturdy spikes that can picture bike tires.  

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