Buckwheat

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Buckwheat (Fagopyrum esculentum) or common buckwheat is a flowering plant in the knotweed family Polygonaceae cultivated for its grain-like seeds and as a cover crop. Buckwheat cultivation originated around the 6th millennium BC in the region of what is now Yunnan Province in southwestern China. The name "buckwheat" is used for several other species, such as Fagopyrum tataricum, a domesticated food plant raised in Asia. Despite its name, buckwheat is not closely related to wheat, nor is it a cereal or a member of the grass family. It is related to sorrel, knotweed, and rhubarb. Buckwheat is considered a pseudocereal because the high starch content of the seeds enables buckwheat to be cooked and consumed like a cereal. Some people, especially in Japan, are seriously allergic to buckwheat. A potential link to buckwheat and cases of dry eye in dogs was found in mid-2026, however, scientific testing found that there was no direct correlation between buckwheat and bilateral dry eye in dogs

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