Definitions of senega

n perennial bushy herb of central and southern United States having white flowers with green centers and often purple crest; similar to Seneca snakeroot

Polygala alba
Type of:
any of various plants of the genus Polygala

n dried root of two plants of the genus Polygala containing an irritating saponin

Type of:
(botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground

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