Robert W. Freckmann Herbarium
University of Wisconsin - Stevens Point

Vascular Plants

Plants of Wisconsin

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Zygophyllaceae: Caltrop

Evenly pinnately compound paired leaves (6-14 leaflets) with stipules on zigzag stems spreading from one central root. Yellow flower with 5 petals and 5 stamens. Fruit with 10-20 heavy spines.
Flower Formula:  Sepals 5; Petals 5 Glossary

Genus 
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WI Taxa
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Tribulus
caltrop
1 Photo of Tribulus Images   Information

Vascular Plants

Plants of Wisconsin

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