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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
P Citrus limetta (Lime)
P Citrus limon (Lemon)
P Citrus meyerii (Meyer lemon)
P Cleonia lusitanica (Spanish Heal-All)
P Coix lacryma-jobi (Adlay; Adlay Millet; Job'S-Tears; Yi-Yi-Ren)
P Consolida ajacis (Larkspur)
P Convallaria majalis (Lily-Of-The-Valley)
P Coptis chinensis (Chinese Goldthread; Huang-Lian; Huang-Lien)
P Coptis japonica (Huang-Lia; Huang-Lian; Huang-Lien; Japanese Goldthread)
P Coutarea latiflora (Copalchi)
P Crataegus laevigata (English Hawthorn; Hawthorn; Whitethorn; Woodland Hawthorn)
P Curcuma longa (Indian Saffron; Turmeric)
P Curcuma xanthorrhiza (Javan Turmeric; Temu Lawak)
P Cymbopogon citratus (Lemongrass; West Indian Lemongrass)
P Cymbopogon flexuosus (East Indian Lemongrass)
P Cypripedium pubescens (Ladyslipper)
P Daphne mezereum (Spurge Laurel; Spurge Olive)
P Davilla sp. (Bejuco de agua; Cipo caboclo; Liane chasseur (=chaser vine))
P Digitalis lanata (Grecian Foxglove)