Fact Sheet

ALERT SPP This Plant is on high alert.


Latin Name: Tribulus terrestris

Origin:  Eurasia

Physical Description: Annual herb with a taproot. The reddish-green stems are prostrate (grow along the ground) forming mats that are up to 100cm wide. Leaves are alternate along the stem, with 4-8 pairs of egg-shaped leaflets. Plants produce solitary yellow flowers that have 5 petals; flowers form into burs with stout spines.

Habitat: Dry fields and waste places

Impacts:  Nuisance to humans as burs can puncture tires and cut exposed skin; toxic to livestock.

Reproduction:  Seed only. Seed remain viable for 3 to 6 years.

Management Options

Mechanical: Hand pulling or digging prior to setting seed is effective on small infestations. Mowing is not effective due to their prostrate growth along the ground.

Chemical: Several herbicides with the following active ingredients can control Puncturevine: 2,4-D,  dicamba, picloram + 2,4-D, glyphosate, chlorsulfuron,  and imazapyr. For available products, contact your local agri-supply store. Prior to any herbicide application, read and follow the label instructions.

 Biological: Not available.

Additional Resources:

Okanagan Invasive Species Online. Puncturevine Factsheet. 

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