Purple Prairie Clover Petalostemum purpureum


Description: The herb is a member of the Leguminose, legume, or pea family. It is a native, warm-season herb which grows to a height of 30 to 90 cm. Several stems may grow from a single base. It has deep branching roots.

 

Leaves: The leaves are alternate and compound, divided into 3-5 narrow leaflets which may be sparingly hairy.

 

Flower:  Pinkish-purple flowers form a fringe around the bottom of elongated spikes which are 2 to 4 cm long.

 

Blooming months: June through August

 

 

 

 

 

 

 

 

 

 

 

Discussion: This plant is highly palatable and nutritious for many animals. Purple Prairie Clover fixes nitrogen which enriches the soil. It has been reported that tea made from the leaves of this plant has a binding or constipating effect. The prairie clovers had a wide variety of uses from tea and flour to medicine and brooms.  

 

Distribution: Purple Prairie Clover is most abundant in the upland of the True Prairie. This species ranges from Saskatchewan and Montana in the north to Tennessee and New Mexico in the south

  

Native or Introduced to Illinois: Native

 

Location: N41048.677’ W089040.972’

 

Copyright: © 2004 Nancy Trainor, Challand Middle School, Sterling, Illinois

                                ntrainor@sterlingschools.org

References:

Keller, Carolyn. Prairie Plants of Whiteside County, Whiteside IL County Natural Area Guardians, 1991.

Ladd, Doug. Tallgrass Prairie Wildflowers, The Nature Conservancy, 1995.

Peterson, Roger Tory. Wildflowers Northeastern/North Central North America, Houghton Mifflin Company, Boston, 1968.

Mohlenbroch, Robert H., and John W. Voigt. Prairie Plants of Illinois, Department of Conservation.

http://plants.usda.gov/

 

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