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Weed Identification in Christmas Trees

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Puncturevine - Tribulus terrestris L.
Home > puncturevine
Puncturevine seedling Puncturevine leaf
Puncturevine seedling. Puncturevine leaf.
Puncturevine flower Puncturevine fruit
Puncturevine flower. Puncturevine fruit.
Life cycle: Prostrate, mat-forming summer annual.

Leaves: Opposite, even pinnately compound, with many small, oblong leaflets.

Stems: Prostrate, covered with stiff hairs and branching in all directions, forming circular mats.

Flowers and fruit: Flowers are small with five yellow petals. Podlike fruit are woody with five triangular burs and sharp spines. Spines are stout enough to puncture tires.

Reproduction: Seeds.

The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the Michigan Agricultural Experiment Station, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.
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02/08/08