Physostigma

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Physostigma

 

a genus of herbaceous plants of the family Leguminosae. The plants are herbs that lignify at the base, or lianas. There are two to four species, distributed in tropical Africa and on Madagascar. The woody liana P. venenosum, which is native to tropical Africa, is cultivated in India, Brazil, and—to a lesser extent—other tropical countries. Its seeds, known as Calabar beans, contain several alkaloids, including physostigmine.

REFERENCE

Atlas lekarstvennykh rastenii SSSR. Moscow, 1962.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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Evidence found in Adam's lower intestine was identified as being the highly poisonous calabar bean which police think may have been used to subdue him before his death.
A BOY whose torso was found in the River Thames had been poisoned by a toxic calabar bean used in West African witchcraft rituals, police said yesterday.
On the cusp of containerisation, he supervised cargoes, including palm kernels, cocoa and groundnut products, as well as more exotic freight ranging from calabar beans, cottonseed and pigs' snouts to Land Rovers, Crocodile Brand machetes, Aunt Jemima's Cabin Bread and missionaries' generators.