Acacia nigrescens (is a perennial deciduous tree. )
|Scientific classifications [Edit]|
|Specific epithet ?||nigrescens|
|Knob Thorn (South Africa)|
References  ?
when you are stung by a wasp or bee rub remove the sting and rub an onion over the area. The sting is alkaline based and the acidity in the onion helps relieve the pain.
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