calabar bean in English
noun
1
the poisonous seed of a tropical West African climbing plant, containing physostigmine and formerly used for tribal ordeals.
Julian was interested in medicinal plants, particularly the Calabar bean whose active principle, physostigmine, was first isolated by the German chemists Jobst and Hesse in 1864.
Use "calabar bean" in a sentence
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1. Historically, African tribes used Calabar bean, the “ordeal bean,” to identify witches and people