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An eastern North American plant (Polygala senega) having a terminal cluster of small white flowers and roots that are used medicinally.
(Plants) another name for senega
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|Noun||1.||Seneca snakeroot - eastern North American plant having a terminal cluster of small white flowers and medicinal roots|
milkwort - any of various plants of the genus Polygala
senega - dried root of two plants of the genus Polygala containing an irritating saponin