NAME: COMPASS PLANT    Silphium laciniatum 
DESCRIPTION:

Leaves:  Large, alternate, deeply cleft, and rough to the touch.  They are usually placed edgewise to the north-south direction, hence the common name.
Flower:  Yellow heads borne at the tips of the branches,  Each head has a ray and disk flower,  Green bracts on the back of each head are in more than 2 series.
Present June to September.
Stem:  Central stalk, 3-9 feet tall


DISCUSSION:

An important plant in the diet of bison, and is easily eaten by cattle.  This magnificent species is worth preserving.



DISTRIBUTION:

Michigan to South Dakota, south to Texas and Mississippi.
 




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COPYRIGHT:

© Copyright 2002, L&T Natural Images and Madsion Jr. High, all rights reserved. Contact information: email at lcwik@naperville203.org or tcoutts@naperville203.org


REFERENCES:

Mohlenbroch, Robert H., and John W. Voigt.  Prairie Pants of Illinois.
Springfield, Illinois: Illinois Department of Natural Resources, 1985.

Young, Dick.  Kane County Wild Plants and Natural Areas.  2nd ed. Geneva, Il:
Kane County Illinois Forest Preserve District, 1994.

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