The Tsa'chilas are an indigenous group living in the north-western part of Ecuador, in a village called Bua. There can be said that for indigenous people their habitat is of equal value as their culture. The knowledge of the flora in Bua is only known by the Tsa'chilas. The loss of information of the flora of the Tsa'chilas lies at the same line as the loss of a part of their history and culture. They use or used the plants and trees in their environment for many reasons which are of great importance for the conserving of their culture and nature. Ethnobotany is a study of how plants and...