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Trifolium wormskioldii

Trifolium wormskioldii Lehm.

Cow Clover, Cows Clover

Fabaceae (Pea Family)

Synonym(s): Lupinaster wormskioldii, Trifolium fendleri, Trifolium fimbriatum, Trifolium heterodon, Trifolium involucratum var. fendleri, Trifolium involucratum var. fimbriatum, Trifolium involucratum var. heterodon, Trifolium involucratum var. kennedianum, Trifolium kennedianum, Trifolium spinulosum, Trifolium willdenovii var. fimbriatum, Trifolium willdenovii var. kennedianum, Trifolium wormskioldii var. fimbriatum, Trifolium wormskioldii var. kennedianum

USDA Symbol: trwo

USDA Native Status: L48 (N), AK (N?), CAN (N)

Several stems, erect or leaning on ground, bearing round heads of deep pink to reddish-lavender pea flowers.

This clover is one of the most common wild Trifolium. The relatively large flowers with white-tipped petals and the jagged-edged involucre are distinctive features.


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Plant Characteristics

Duration: Annual
Habit: Herb
Leaf: Green

Bloom Information

Bloom Color: Red
Bloom Time: May , Jun , Jul , Aug , Sep


USA: AK , AZ , CA , CO , ID , MT , NM , NV , OR , UT , WA , WY
Canada: BC
Native Distribution: British Columbia south along Pacific Coast to northern Mexico and east to New Mexico, Colorado, western Wyoming, and Idaho.
Native Habitat: Coastal dunes, mountain meadows, and streambanks.

Growing Conditions

Water Use: Medium
Light Requirement: Part Shade
CaCO3 Tolerance: High


Conspicuous Flowers: yes

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Additional resources

USDA: Find Trifolium wormskioldii in USDA Plants
FNA: Find Trifolium wormskioldii in the Flora of North America (if available)
Google: Search Google for Trifolium wormskioldii


Record Modified: 2007-01-01
Research By: TWC Staff

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