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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 Pinus roxburghii (Chir Pine; Himalayan Longleaf)
P Pistacia lentiscus (Chios Mastictree; Lentisco (Sp.); Mastic; Mastictree; Mastixbaum (Ger.))
P Prunus laurocerasus (Cherry Laurel)
P Pycnanthemum loomisii (Loomis' Mountain Mint)
P Rauvolfia tetraphylla (Four-Leaf Devilpepper; Pinque-Pinque)
P Rhododendron ferrugineum (Rusty-Leaved Alpenrose)
P Robinia pseudoacacia (Black Locust)
P Rollinia mucosa (Biriba; Lancewood)
P Rosa laevigata (Cherokee Rose)
P Rosmarinus x lavandulaceus (Lavender Rosemary)
P Rumex crispus (Curly Dock; Lengua De Vaca; Sour Dock; Yellow Dock)
P Santolina chamaecyparissus (Lavender Cotton)
P Satureja parvifolia (Small-Leaf Pampa Savory)
P Saussurea lappa (Costus; Kuth)
P Scutellaria lateriflora (Mad-Dog Skullcap; Scullcap)
P Senecio aureus (Liferoot; Squawweed)