Calabar bean

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English[edit]

Physostigma venenosum, the Calabar bean

Etymology[edit]

From its ancient use in trial by ordeal in the Calabar region of Nigeria.

Noun[edit]

Calabar bean (plural Calabar beans)

  1. A seed of a tropical leguminous plant of species Physostigma venenosum of tropical Africa, poisonous to humans.
    Synonym: ordeal bean

References[edit]