Calabar bean

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English

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Physostigma venenosum, the Calabar bean

Etymology

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

Noun

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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

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