Fig. 1From: The use of Amerindian charm plants in the GuianasMap of the Guianas with schematic locations of the indigenous groups relevant to our study, based on the linguistic map of South America (http://www.muturzikin.com/cartesamerique/7.htm). Carib-speaking groups are indicated in yellow, Arawak-speaking groups in blue, Tupi-speaking Wayãpi in pink and the Warao-speaking group in greenBack to article page