What is a Mexican liliaceous plant (Schænocaulon officinale); also, its seeds, which contain the alkaloid veratrine. It was formerly used in medicine as an emetic and purgative called?

sabadilla — A Mexican liliaceous plant (Schænocaulon officinale); also, its seeds, which contain the alkaloid veratrine. It was formerly used in medicine as an emetic and purgative. (Webster's 1913.)

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