What is Artemisinin?

Coartem, a malaria drug whose potency is derived from a Chinese herb, may soon be approved for sale in the United States.
By Jordan Lite, Scientific American

Coartem, derived from the Chinese herb artemisinin, wipes out malaria in over 96 per cent of patients in regions where malaria has become resistant to older drugs.

See full article at:
http://www.sciam.com/article.cfm?id=artemisinin-coartem-malaria-novartis

Sweet Wormwood or artemesiae annuae (Chinese: Qing Hao) is available at:

http://eastearthtrade.com/index.asp?PageAction=VIEWPROD&ProdID=603