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Polygonella

noun
Po·​lyg·​o·​nel·​la | \ pəˌligəˈnelə\

Definition of Polygonella

: a small genus of heathlike herbs (family Polygonaceae) of eastern North America with jointed stems, small narrow leaves, and small white or greenish apetalous flowers in panicled racemes — see jointweed

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History and Etymology for Polygonella

New Latin, from Polygonum + -ella

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