The Plant Detective
5:00 am
Sat August 9, 2014

Periwinkle

Ever since people in tropical regions around the world began to grow Madagascar periwinkle (Catharanthus roseus) for its cheerful pink flowers, the plant has been known as a home remedy for diabetes. In the 1950s, when researchers began testing periwinkle for its anti-diabetic properties, they discovered several highly toxic alkaloids in the plant's tissues. Two of them led to key drugs for cancers of the blood: vinblastine and vincristine.

(Podcast: The Plant Detective, 8/9/14)

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