Calabar bean

English

Physostigma venenosum, the Calabar bean

Etymology

It derives the first part of its taxonomic name from a curious beak-like appendage at the end of the stigma, in the centre of the flower; this appendage, though solid, was supposed to be hollow (hence the name from Ancient Greek φῦσα (phûsa), a bladder, and stigma).

Noun

Calabar bean (plural Calabar beans)

The seed of a tropical leguminous plant, Physostigma venenosum, poisonous to humans.

单词	Calabar bean
释义	Calabar bean English Physostigma venenosum, the Calabar bean Etymology It derives the first part of its taxonomic name from a curious beak-like appendage at the end of the stigma, in the centre of the flower; this appendage, though solid, was supposed to be hollow (hence the name from Ancient Greek φῦσα (phûsa), a bladder, and stigma). Noun Calabar bean (plural Calabar beans) The seed of a tropical leguminous plant, Physostigma venenosum, poisonous to humans.
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