Contrayerva
Pronunciation : Con`tra*yer"va
Part of Speech : n.
Etymology : [Sp. contrayerba, literally, a counter herb, hence, an antidote for poison, fr. l. contra + herba herb.] (Bot.)
Definition : Defn: A species of Dorstenia (D. Contrayerva), a South American plant, the aromatic root of which is sometimes used in medicine as a gentle stimulant and tonic.
Source : Webster's Unabridged Dictionary, 1913