The botanical genus name for buckwheat, a plant with small triangular seeds used as grain and flour despite not being a true cereal.
From Latin fagus (beech tree) + Greek pyrós (wheat). Linnaeus named it this way because the seeds resemble beech nuts but were used like wheat. The genus was formally established in plant taxonomy during the 18th century.
Buckwheat gets its scientific name from comparing seeds to beech nuts, but it's not actually wheat or related to either—it's a clever observation by someone who named plants by their appearance rather than genetics!
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