Unique Large Native Flower Plant Found on CRP Land
It is at least 4' tall, thick stemmed and currently has about 16 spherical flowers at the top.
The plant is Eryngium yuccifolium or rattlesnake master.http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=g500
Thank you Pat M.!
Here is more information about its situation in MN: