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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 Opuntia ficus-indica (Indian Fig; Nopal; Nopalito; Prickly Pear)
P Origanum creticum (Dittany Of Crete)
P Origanum majorana (Marjoram; Sweet Marjoram)
P Origanum minutiflorum (Small-Flowered Oregano)
P Origanum onites (Oregano; Pot Marjoram)
P Origanum sipyleum (Bayircayi; Guveyoto)
P Origanum syriacum (Za'Atar)
P Origanum vulgare (Common Turkish Oregano; Greek Oregano; Wild Oregano)
P Origanum vulgare (Istanbul Kekigi; Turkish Oregano)
P Origanum vulgare (Green Turkish Oregano)
P Origanum vulgare (Common Turkish Oregano; European Oregano; Oregano; Pot Marjoram; Wild Marjoram; Wild Oregano)
P Ornithogalum umbellatum (Star Of Bethlehem)
P Oryza sativa (Rice)
P Oxalis tuberosa (Oca; Papa Roja; Quiba)
P Paeonia officinalis (Double Peony)
P Panax ginseng (Chinese Ginseng; Ginseng; Korean Ginseng; Oriental Ginseng)
P Papaver somniferum (Opium Poppy; Poppyseed Poppy)