Calabar bean
noun
1- the poisonous seed of a tropical West African climbing plant, containing physostigmine and formerly used for tribal ordeals毒扁豆。
1.1
- The plant is Physostigma venosum, family Leguminosae.该植物为毒扁豆, 豆科。
词源
late 19th cent.: named after CALABAR.