Lily of the Valley

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Related to May lily: lily of the valley
A perennial herb that contains asparagine, cardioactive glycosides—e.g., convalloside, gluconvalloside—flavonoids, and saponins; like foxglove, it was once used as a cardiotonic, diuretic and vasodilator
Toxicity Arrhythmias, confusion, hypertension, possibly death due to circulatory collapse; it is poisonous per the FDA
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