Fagopyrum esculentum · sėjamasis grikis

EN · common buckwheat DE · Echter Buchweizen, Gemeiner Buchweizen LT · sėjamasis grikis LV · sējas griķi PL · gryka zwyczajna

https://en.wikipedia.org/wiki/Buckwheat Common buckwheat was domesticated and first cultivated in inland Southeast Asia, possibly around 6000 BCE, and from there spread to Central Asia and Tibet, and then to the Middle East and Europe. Domestication most likely took place in the western Yunnan region of China.