What does ethnobotany mean?

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Ethnobotany is the study of how people of a particular culture and region make use of indigenous (native) plants. Plants provide food, medicine, shelter, dyes, fibers, oils, resins, gums, soaps, waxes, latex, tannins, and even contribute to the air we breathe. Source: U.S. Forest Servicehttps://www.fs.usda.gov/wildflowers/ethnobotany/index.shtml