Ophioxylon. Radix mustelae. Rauwolfia serpentina.
Ophioxylon. Radix mustelae. Rauwolfia serpentina Benth. (Ophioxylon serpentinum L.) (Fam. Apocynaceae.)—In the root of this plant, which is used in East India as a purge and anthelmintic, Wefers-Bettink found a yellow crystalline principle, ophioxylin, melting at 72° C. (161.6° F.), and possessing the formula C16H12O6; also a volatile oil. (A. J. P., 1890.) It is widely used in India as an antidote against bites of serpents, stings of insects, etc.