Rauwolfia definition

Any of a genus (Rauwolfia) of tropical, mostly poisonous, trees and shrubs of the dogbane family, some of which contain medicinal substances.

The powdered whole root of a plant (Rauwolfia serpentina) yielding various alkaloids, esp. reserpine.

Any of a group of alkaloida extracted from these trees.

Any of various tropical trees and shrubs of the genus Rauvolfia, especially R. serpentina, of South and Southeast Asia, the root of which is the source of alkaloid drugs such as reserpine.