E-Flora BC: Electronic Atlas of the Flora of British Columbia

Tribulus terrestris L.
puncture vine (puncturevine)
Zygophyllaceae (Creosote-bush family)

Introduction to Vascular Plants

© Jeremy Gatten  Email the photographer   (Photo ID #60665)

E-Flora BC Static Map
Distribution of Tribulus terrestris
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Species Information

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Annual herb from a taproot; stems prostrate, hairy, mat-forming, the mats up to 100 cm wide, freely branching.
Stem leaves opposite, pinnately lobed with 4-8 pairs of leaflets, the leaflets egg-shaped, 5-15 mm long; stipules 1-2 mm long.
Inflorescence of short-stalked, single, axillary flowers; petals 5, yellow, 3-5 mm long; sepals 5.
Schizocarps, of 5 nutlike segments, the segments horny, 2-spined, the spines 2-6 mm long; fruit segments 2-4 seeded. vol5_7 PTERIDOPHYTES10

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry fields and waste places in the steppe zone; rare in SC BC; introduced from Eurasia.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Tribulus terrestris

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 560 560 560
Slope Gradient (%) 0 0 0
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 5 5
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: IDF(1)


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References