showing the native distribution of cinchona bark and certain other prominent drugs of that country. See also Geographical Classification of Drugs.
This image is from Cinchona in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.
Henriette's Herbal Homepage
Welcome to the bark side.
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.