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Montana Field Guide

Montana Field Guides

Puncture-vine - Tribulus terrestris

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 0

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General Description
Taprooted, mat-forming annual. Stems prostrate 10–40 cm. Herbage strigose. Leaves opposite, even-pinnate; leaflets 6 to 16, ovate, ca. 5 mm long. Flowers: petals yellow, 3–5 mm long; stamens 10; ovary 5-lobed. Fruit a schizocarp, each 2-seeded mericarp with two large spines 2–6 mm long and numerous fine bristles (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced throughout the U.S.; native to southern Europe (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Habitat
Sandy or gravelly soil of streambanks, roadsides; plains, valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Puncture-vine — Tribulus terrestris.  Montana Field Guide.  .  Retrieved on , from