Pronunciation: row-wul'fe-a, raw-, rah-
Definition: A genus of tropical trees and shrubs (family Apocynaceae). The powdered whole root of Rauwolfia serpentina contains alkaloids that produce a sedative-antihypertensive-bradycardiac action; approximately 50% of the total activity is due to reserpine.
[L. Rauwolf, German botanist, 16th century]
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Examples: glitazone, GI cocktail, etc.