Calabar Bean Plant by NDAROW Holding, calabar bean plant medicinal herb | ID - 4480798
Poisonous plants: Calabar beans were used to determine guilt in prehistoric trials.
Calabar bean or ordeal bean, Physostigma venenosum. Handcoloured lithograph by Hanhart after a botanical illustration by David Blair from Robert Bentley and Henry Trimen's Medicinal Plants, London, 1880 Stock Photo - Alamy