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Biology 130

  

Quercus spp.; red oak [Fagaceae]  Wisconsin members of the RED OAK group have leaves with pointed, bristle-tipped lobes, although species outside our range may have merely toothed or even entire leaves.  Acorns of the red oak group generally take 2 years to mature, are bitter, and their shells are hairy inside.  Examples:  Q. rubra (northern red oak) occurs in hardwood forests throughout the state; Q. velutina (black oak) is abundant in SW Wisconsin; and Q. ellipsoidalis (northern pin oak) which occupies some of the driest wooded sites in Portage County.  [083]

   

 

 

 

 

 

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