Dale Pendell, author of Pharmako/Poeia, has argued that the “war on drugs” is like a religious war, intended to keep officially sanctioned drugs like alcohol and chocolate dominant. A new study, reported by Scott Norris in an article in National Geographic News, suggests that sunflowers may have been similarly suppressed by the Spanish in Mesoamerica.
It has long been believed that sunflowers originated in the east-central U.S. and only spread to Mexico in recent centuries. But the new study, led by David Lentz of the University of Cincinnati, argues that sunflowers have been domesticated in Mexico for at least 2000 years, which suggests an independent origin of domestication in Mexico.
This conclusion is based on plant remains discovered in Cueva del Gallo in the Mexican state of Morelos. The sunflower achenes (fruits containing seeds) from this site are larger than wild varieties, indicating domestication. They have been dated to 300 BCE.
“We have filled in the gaps with lots of additional data that now make the Mexican sunflower [domestication] hypothesis irrefutable,” Lentz said. “Given all available data, the best explanation is that the sunflower was domesticated twice.”
But Bruce Smith of the Smithsonian’s National Museum of Natural History in Washington, D.C., insists that “genetic research shows that all present-day domesticated sunflowers originated from a single domestication event, from wild progenitor populations in the central United States.” Smith says that if sunflowers were domesticated in Mexico there should be more remains than have been observed.
Lentz responds that sunflowers were used differently in the two locations. In the U.S. they were primarily a foodstuff, but in Mexico they were mainly used for ceremonial purposes.
Lentz’s team interviewed indigenous people in different parts of Mexico where sunflowers are grown today.
Eleven of 14 indigenous groups had unique words for “sunflower” bearing no resemblance to the Spanish word for the same species, according to the new study. Spaniards did not arrive in Mexico until the 1500s.
This linguistic evidence—along with distinctive traditions associated with the plant—suggest a long history of indigenous Mexican use and not a more recent cultural borrowing, the researchers argue.
They also suggest that the Spanish may have suppressed indigenous use of the sunflower because of the plant’s symbolic associations with the sun god and warfare—hence the lack of modern Mexican remains with lineages that can be traced back to ancient times.
If Lentz is correct, one wonder what other ancient ceremonial plants might have been suppressed during the Conquest.
image from charlie_cva’s photostream