poly·​gon·​a·​tum | \ ˌpälēˈgänətəm, -lə̇ˈg-\

Definition of polygonatum

1 capitalized : a genus of herbs (family Liliaceae) of the north temperate zone having erect or arching stems, entire leaves, axillary tubular flowers often in pairs, and globular black or blue berries
2 plural -s : any plant of the genus Polygonatum

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History and Etymology for polygonatum

New Latin, from Latin polygonaton sealwort, from Greek polygonaton, from neuter of polygonatos having many joints, from poly- + gonat-, gony knee

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a usually brief trip or an expedition

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