White Prairie Clover     Petalostemum candidum


Description: White Prairie Clover is a native, warm-season perennial belonging to the Leguminosae, legume, or pea family. It grows to a height of 30 to 60 cm. It’s drought resistant and has deep branching taproot that can penetrate up to 5 feet into the soil.

 

Leaf: The leaves are pinnately compound with 5-7 leaflets. The leaflets are linear-lanceolate to oblong up to 3cm long and up to 4 mm wide, larger than those of the purple prairie clover.

 

Flower: There many small flowers densely arranged in short spikes. The spikes are 2.5 to 10cm long and up to 6 mm thick. Each of the white flowers has four petals which are similar and one which is different in size and shape.

 

Blooming months: June and July

 

 

 

 

 

 

 

 

 

 

 

Discussion: Native Americans brewed a tea from the leaves and used the raw roots as food. The White Prairie Clover is palatable to grazing animals and decreases when the prairie is grazed.

 

Distribution:  This species thrives in all types of prairies. The range of the White Prairie Clover is from Indiana to Saskatchewan, south to Texas and Mississippi.

 

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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