Snake Beans
Snake bean may refer to two different species of leguminous plants: * ''Bobgunnia madagascariensis ''Bobgunnia madagascariensis'' ( bm, samagara), also called the snake bean plant, is a species of legume in the family Fabaceae. Description ''Bobgunnia madagascariensis'' is a small deciduous tree, 3–4 m tall. The plant has large pods that ...'', a poisonous species found in Africa * ''Vigna unguiculata'' subsp. ''sesquipedalis'', a widely cultivated edible legume {{Plant common name ...
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Bobgunnia Madagascariensis
''Bobgunnia madagascariensis'' ( bm, samagara), also called the snake bean plant, is a species of legume in the family Fabaceae. Description ''Bobgunnia madagascariensis'' is a small deciduous tree, 3–4 m tall. The plant has large pods that turn dark when ripe. Ecology The larvae of '' Abantis zambesiaca'' feed on ''B. madagascariensis''. Toxicity ''Bobgunnia madagascarensis'' is toxic. Applications Poison composed of the roasted seeds of ''Bobgunnia madagascariensis'' and innards of the beetle '' Diamphidia nigroornata'' is applied to the arrows of the Bushmen. Seeds, fruits and stem bark are also used in fishing by poisoning in Africa. Chemistry The methanolic extract of the fruit of ''B. madagascariensis'' contains a saponin tetraglycoside. The root bark of ''B. madagascariensis'' contains quinone methide diterpenes. The seed pod contains two acidic saponins, swartziasaponin A and B and swartziagenin, a mixture of oleanolic and 0-acetyloleanolic acid. Th ...
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