Ethnobotany the study of how cultures use their indigenous plants

Sounds like Around the World in 80 Cures is an experiment in Ethnobotany actually. Cool! :)

Check it out:
http://en.wikipedia.org/wiki/Ethnobotany

The picture is of Devil's Club - an indigenous plant and invasive Alaskan plant-the oil makes an excellent treatment for muscle & joint pain.

My hands were tingling all day after making a batch. :)