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Judi Lynn

(160,219 posts)
Tue Nov 24, 2020, 04:06 PM Nov 2020

Evidence Links Hallucinogen Use and California Rock Art

Tuesday, November 24, 2020



Tuesday, November 24, 2020

California Rock Art(Photo: Rick Bury)

PRESTON, ENGLAND—According to a Live Science report, researchers led by David Robinson of the University of Central Lancashire have found evidence that the Chumash people ingested hallucinogens at a rock art site in California some 400 years ago. Known as Pinwheel Cave, the rock art features an image of a pinwheel and a moth drawn with ochre. Examination of quids recovered from the cave ceiling with 3-D digital microscopy revealed that the lumps of matted plant fibers had indentations likely to have been made by chewing. Chemical analysis showed that the quids contained the hallucinogenic compounds atropine and scopolamine, which are produced by Datura, a plant also known as jimsonweed and angel trumpet. The pinwheel-shaped flower is twisted up during the day, but it unfurls at dusk and dawn for visiting insects such as the hawk moth, which is known for “loopy” flight after ingesting Datura nectar. The scientists then viewed the quids through a scanning electron microscope, and identified all of the quids but one as Datura flowers. The rock art, Robinson explained, probably “set the scene” for the shared tradition of taking the hallucinogen in the cave. Read the original scholarly article about this research in Proceedings of the National Academy of Sciences. To read about a 1,000-year-old bundle unearthed in Bolivia that contained psychotropic substances, go to "Half in the Bag."

https://www.archaeology.org/news/9236-201124-pinwheel-cave-datura

Also posted in Anthropology:
https://www.democraticunderground.com/12296327

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Evidence Links Hallucinogen Use and California Rock Art (Original Post) Judi Lynn Nov 2020 OP
Pinwheel Cave rock art in California may depict hallucinogenic 'trance flower' Judi Lynn Nov 2020 #1

Judi Lynn

(160,219 posts)
1. Pinwheel Cave rock art in California may depict hallucinogenic 'trance flower'
Wed Nov 25, 2020, 03:27 AM
Nov 2020

By Laura Geggel - Associate Editor a day ago

When ingested, the flower Datura can induce trances.



A digitally enhanced image of the Indigenous pinwheel drawing that researchers made with a technique called D-Stretch.
(Image: © Devlin Gandy)

Just before going into a hallucinogenic trance, Indigenous Californians who had gathered in a cave likely looked up toward the rocky ceiling, where a pinwheel and big-eyed moth were painted in red.

This mysterious "pinwheel," is likely a depiction of the delicate, white flower of Datura wrightii, a powerful hallucinogen that the Chumash people took not only for ceremonial purposes but also for medicinal and supernatural ones, according to a new study. The moth is likely a species of hawk moth, known for its "loopy" intoxicated flight after slurping up Datura's nectar, the researchers said.

Chewed globs that humans stuck to the cave's ceiling provided more evidence of these ancient trips; these up to 400-year-old lumps, known as quids, contained the mind-altering drugs scopolamine and atropine, which are found in Datura, the researchers said.

. . .

Indigenous people around the world, including ancient cultures in Siberia, North America and South America, are known to have taken mind-altering substances, said Patrick McGovern, the scientific director of the Biomolecular Archaeology Project at the Penn Museum in Philadelphia, who was not involved in the study. And this study used cutting-edge techniques "to elucidate an important biocultural issue — the use of hallucinogens by peoples of the Americas," McGovern told Live Science in an email.

More:
https://www.livescience.com/rock-art-hallucinogen-california.html
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