An official website of the United States government.

The .gov means it’s official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that’s been signed by the U.S. government. The https:// means all transmitted data is encrypted — in other words, any information or browsing history that you provide is transmitted securely.

Dr. Duke's Phytochemical and Ethnobotanical Databases
U.S. Department of Agriculture

Dr. Duke's Phytochemical and Ethnobotanical databases facilitate in-depth plant, chemical, bioactivity, and ethnobotany searches using scientific or common names. Search results can be downloaded in PDF or spreadsheet form. Of interest to pharmaceutical, nutritional, and biomedical research, as well alternative therapies and herbal products.


Key: A= Biological Activity C= Chemical E= Ethnobotany Plant P= Plant S= Syndrome U= Ethnobotany Use
P Quassia amara (Quassia)
E Quassia amara (Quassia)
P Picrasma excelsa (Jamaican Quassia)
P Picrasma quassioides (Lignum Quassia)
E Simarouba glauca (Quassia Amer)
E Quassia glauca (Bois Frene)
E Quassia indica (Daraput; Gatep pait; Onne)
E Quassia simaruba (Simaruba)
E Quassia officinalis (Simmaruba)
E Picrasma excelsa (Jamaica Quassia)
E Quassia gaboensis (Nzeng)
P Amaranthus sp. (Pigweed)
P Amaranthus spinosus (Spiny pigweed)
P Iberis amara (Rocket candytuft)
P Simarouba amara (Simaruba Bark)
E Amaranthus viridis (Bledo)