出典:Wiktionary
From Spanish contrayerba (“字義どおりに, a counter-herb, hence an antidote for poison”), from Latin contra + herba (“herb”).
contrayerva (usually uncountable, 複数形 contrayervas)
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for contrayerva in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)
出典:Wikipedia
出典:『Wikipedia』 (2010/12/25 16:14 UTC 版)
In botany, the contrayerva, or contrajerva, is the root and scaly rhizome of various tropical American species of Dorstenia in the family Moraceae (D. contrayerva and D. braziliensis), a South American plant, the aromatic root of which is sometimes used in medicine as a gentle stimulant and tonic. It was previously used as an antidote to snake bites.