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Northern Peru and southern Ecuador form a single culture area and share the same flora. Both are heirs of a regional plant healing tradition that goes back as far as the Cupisnique culture of the first millennium BC. But the two areas now show striking differences in plant knowledge and use. Plants used as medicine in southern Ecuador comprise only forty percent of the species used in northern Peru. Why is this?

How important is traditional plant knowledge in the Amazon? According to a recent study among the Tsimane’ in Amazonian Bolivia, each standard deviation of maternal ethnobotanical knowledge increases the likelihood of good child health by more than fifty percent. And the study raises the question: What will be the cost — to the Tsimane’ and other indigenous peoples — if such ethnobotanical knowledge is lost?

The basic political unit of traditional Amazonian society is the village, larger than an extended family, but still never larger than a few hundred inhabitants. These villages are politically autonomous entities, often widely separated, several days walk from each other. When the population of a village grows too large, a portion will split off and form its own village elsewhere in the jungle.

Significant among the tools used by shamans in the Upper Amazon are piedras, or piedras encantadas, magic stones, sometimes called just encantos, charms; such stones are called inkantos by the Machiguenga and Shipibo. My teacher doña María Tuesta told me that her father was a tabaquero who kept two magic stones, one male and one female, in a jar filled with a mixture of tobacco and water. When doña María was about eight years old, while her father still lived with the family, she saw him work with the stones twice. She could see the spirits of the stones: they both had very dark skin and long black hair.

We have talked about the use of snuffing tablets and snuffing kits among the ancient Tiwanaku in the Andes, such as the elaborate kit, shown at the left, that was buried with an adult male who appeared to have snuffing lesions near his nose. A recent archeological discovery, to be published in a forthcoming issue of the Journal of Archaeological Science, now suggests that such South American snuffing devices were considered valuable heirlooms, and were carried long distances and preserved for long periods of time.

Tiwanaku is an important Pre-Columbian archaeological site in western Bolivia. Tiwanaku is recognized by Andean scholars as one of the most important precursors to the Inca Empire, flourishing as the ritual and administrative capital of a major state power for approximately four hundred years between 700 and 1100 A.D. There has been good reason to believe that the inhabitants of Tiwanaku utilized an insufflated hallucinogen. They produced a variety of small carved objects that included puma and jaguar effigies, incense burners, and decorated wooden snuff tablets. Many mummies and skeletons from this culture were buried with such tablets and snuffing kits. One archaeologist reported recovering 614 snuffing kits from a single excavation.

Andy Graham at HoboTraveler has pointed to an article in the Pucallpa newspaper Diario Ahora, dated June 5, 2008, with the headline Indígenas de Yurúa señalan que no existe población no contactada, Indigenous People of Yurúa Say There Are No Uncontacted Populations.

Indigenous people all over the world are already embedded in global modernity, whether anyone likes it or not. There is no turning back, no way to disengage from the modern world, nowhere for indigenous peoples to retreat. And I think it is fair to say that indigenous people are, generally, worse off in many ways since this change than they were before. Still, there are aspects of modernity — modern dentistry, for example — which could be of benefit to indigenous people if they had access to them.
There is an ambiguity inherent in shamanic practice, where the dangerous work of healing and sorcery intersect. Because shamans possess spirit darts, and with them the power to kill, the boundary between sorcerer and shaman is indistinct. Such shamanism, says social anthropologist Carlos Fausto, “thrives on ambivalence.” In the Upper Amazon, life and death are inextricably intertwined, and the cosmos is conceptualized in terms of predator-prey relationships.