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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
E Vernonia senegalensis (Bitters Tree)
E Rauvolfia tetraphylla (Bitterash)
E Erythraea chilensis (Bitterkraut; Bitterkruid; Canchalagua; Canchalague)
E Solanum supinum (Bitter Apple)
E Cardamine amara (Crescione Amare; Cressen; Cresson Amer; Large Bittercress)
E Millettia sericea (Lemak pahit (Bitter fat))
E Vicia ervilia (Bitter Veterinarych)
E Hymenoxys odorata (Bitterweed)
E Lathyrus sp (Bitter)
A Bitter