Calabar bean

English

Physostigma venenosum, the Calabar bean

Etymology

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

Noun

Calabar bean

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

   Synonym: ordeal bean

References

• Calabar bean on Wikipedia.Wikipedia
• Physostigma venenosum on Wikispecies.Wikispecies
• Physostigma venenosum on Wikimedia Commons.Wikimedia Commons