Bobgunnia madagascariensis

Bobgunnia madagascariensis (Bambara: samagara), also called the snake bean plant,[2] is a species of legume in the family Fabaceae.

[3] Poison composed of the roasted seeds of Bobgunnia madagascariensis and innards of the beetle Diamphidia nigroornata is applied to the arrows of the Bushmen.

[7] The pod methanolic extract yields highly glycosylated flavonoids (glycosides of kaempferol and quercetin).

[8] The crude chloroform and methanol extracts of the stem bark of the plant show strong feeding deterrent activity against stored-product insect pest of maize Tribolium castaneum with the two compounds, methyl paraben and lupeol, being identified in these extracts.

[citation needed] Other compounds in B. madagascariensis are (−)-maackiain, (−)-medicarpin, gypsogenin 3-O-rhamnosylglucuronide, (−)-homopterocarpin, pterocarpin, 4-methoxymedicarpin, 4-methoxymaackiain, 4-methoxyhomopterocarpin, 4-methoxypterocarpin, anhydrovariabilin and coumestrol dimethyl ether.

Preparing poison arrows