The name of this herb, thought by many to shorten the length of a cold, is from the Greek for "hedgehog"
There are three species of this genus that include 
many of the same... [DOC] [TLE] Echinacea Angustifolia Herbal Information from Herbal Extracts Plus [PAR] Thought to be nature's best immune system enhancer, Echinacea Angustifolia ... 
resistance to infection, diseases, fever, blood poisoning, common colds and flu.