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Biology 130

  

Alliaria petiolata; garlic mustard [Brassicaceae]  Erect 12-40” biennial woodland herb forming large, dense colonies.  Evergreen basal rosette develops during first year, then 1 or 2 flowering stems in the second year.  Numerous 4-parted small, white flowers in spring, followed by slender 1-2˝” capsules.  Stems and leaves with strong garlic odor when crushed.  An aggressively invasive European native that poses a significant threat to Wisconsin’s woodland flora.  [101]

   

 

 

 

 

 

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