Gray-headed Ratibida pinnata

Other Names: Drooping Coneflower, Yellow-headed Coneflower


Description: The Gray-headed Coneflower is a member of the Composite family. It is a native, warm season, tall perennial which reaches a height of about 1 m.

 

Leaf: Alternate leaves are smooth and deeply dissected into three to seven segments. Lower leaves may have a leaf stalk. The upper leaves are smaller and may or may not be sessile. The leaves also droop, but not as dramatically as the petals.

 

Flower: The flowers have five to ten pale yellow rays which droop. The gray, cone-shaped disk is about twice as tall as it is wide and turns brown when the florets of the disk open. It has a scent of anise when bruised. Several flowers may top the stem. The rays are 2.5 to 7 cm long and up to nearly 1 cm wide.

 

Blooming months: June – September

 

Stem: Grooved and finely haired.

 

 

 

 

8-20.

8-20

10-11

 

Discussion: Among early American uses of this plant were as a tea and also as a toothache cure. The young plant is very palatable to large animals.

 

Distribution:  Drooping Coneflower is found in many prairie situations. This species ranges from Ontario to Minnesota, south to Georgia and Nebraska

 

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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