Rattlesnake Master     Erynguim yuccifolium


Description: This member of the Umbelliferae, or parsley family, is a native, warm-season perennial which grows to a height of one meter or more. It has a little green cast. Rattlesnake master has short, thick roots and can endure drought.

 

Leaf: It’s stiff, thick leaves are yucca-like and spiny-edged making it quite resistant to insect damage. The basal leaves are shorter.

 

Flower: The five-parted small, white flowers occur in round, prickly button-like heads. The flowers have sharp bracts which make it look and feel rough. The seed heads have an aroma like honey.

 

Blooming months: July-early August

 

 

 

 

 

 

 

 

 

 

Discussion: Native Americans and early settlers believed Rattlesnake Master could cure snakebites. This was unfounded. They used the plant for a wide variety of medicinal uses, including treatment of kidney and liver problems, rheumatism, and nosebleed. The plant can be dried and used in indoor winter decorations.

 

Distribution: This species occurs in both prairies and woods. Rattlesnake Master ranges from New Jersey to Minnesota, south to Texas and Florida.

 

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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