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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 Calotropis sp. (Giant Milkweed)
P Camptotheca acuminata (Happy Tree)
P Cananga odorata (Cananga; Ylang-Ylang)
P Canarium indicum (Java-Olive; Manila Elemi)
P Canavalia ensiformis (Jack Bean)
P Canna indica (Achira; Queensland Arrowroot)
P Cannabis sativa (Hemp; Indian Hemp; Marihuana; Marijuana)
P Capparis spinosa (Caper; Caperbush)
P Capsella bursa-pastoris (Shepherd's Purse)
P Capsicum annuum (Bell Pepper; Cherry Pepper; Cone Pepper; Green Pepper; Paprika; Sweet Pepper)
P Capsicum frutescens (Cayenne; Chili; Hot Pepper; Red Chili; Spur Pepper; Tabasco)