Carlos..
 I only know it by another name of Plantago Major or lanceolate. It looks 
like a common weed to me. Seeds and leaves are both used.   In woods, I have 
taken the leave, bruised it, and put it on affected area in poultice form.  
 
I think what you are talking about is plantains, which is a  relative of the 
banana, but not sure. Very good eating, if that is what you are talking about.
 
Diane M



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