Arun·cus | \əˈrəŋkəs\

Definition of Aruncus 

: a small genus of herbs (family Rosaceae) found in North America and Japan and having compound leaves and a showy branched cluster of white flowers — see goatsbeard

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History and Etymology for Aruncus

New Latin, from Latin, beard of a goat, from (assumed) Greek (Doric) aryngos; akin to Greek (Attic) ēryngos

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