Dear i was not sure about the exact nomenclature of the species. The correct and accepted name is *Senegalia* *polyacantha* ( Willd.<http://www.ipni.org/ipni/idAuthorSearch.do?id=11692-1&back_page=%2Fipni%2FeditAdvPlantNameSearch.do%3Bjsessionid%3DAE959DACB3A4A684482A6178768705BC%3Ffind_infragenus%3D%26find_geoUnit%3D%26find_includePublicationAuthors%3Dtrue%26find_addedSince%3D%26find_family%3D%26find_genus%3DAcacia%26find_infrafamily%3D%26find_rankToReturn%3D%26find_publicationTitle%3D%26find_authorAbbrev%3D%26find_infraspecies%3D%26find_includeBasionymAuthors%3Dtrue%26find_modifiedSince%3D%26find_species%3Dpolyacantha%26output_format%3Dnormal>) Seigler<http://www.ipni.org/ipni/idAuthorSearch.do?id=26489-1&back_page=%2Fipni%2FeditAdvPlantNameSearch.do%3Bjsessionid%3DAE959DACB3A4A684482A6178768705BC%3Ffind_infragenus%3D%26find_geoUnit%3D%26find_includePublicationAuthors%3Dtrue%26find_addedSince%3D%26find_family%3D%26find_genus%3DAcacia%26find_infrafamily%3D%26find_rankToReturn%3D%26find_publicationTitle%3D%26find_authorAbbrev%3D%26find_infraspecies%3D%26find_includeBasionymAuthors%3Dtrue%26find_modifiedSince%3D%26find_species%3Dpolyacantha%26output_format%3Dnormal>& Ebinger<http://www.ipni.org/ipni/idAuthorSearch.do?id=2456-1&back_page=%2Fipni%2FeditAdvPlantNameSearch.do%3Bjsessionid%3DAE959DACB3A4A684482A6178768705BC%3Ffind_infragenus%3D%26find_geoUnit%3D%26find_includePublicationAuthors%3Dtrue%26find_addedSince%3D%26find_family%3D%26find_genus%3DAcacia%26find_infrafamily%3D%26find_rankToReturn%3D%26find_publicationTitle%3D%26find_authorAbbrev%3D%26find_infraspecies%3D%26find_includeBasionymAuthors%3Dtrue%26find_modifiedSince%3D%26find_species%3Dpolyacantha%26output_format%3Dnormal>
basionym: *Acacia* *polyacantha* Willd. Sp. Pl., ed. 4 [Willdenow] 4(2): 1079 (-1080). 1806 [Apr 1806<http://www.ipni.org/ipni/idPlantNameSearch.do?id=60451311-2&back_page=%2Fipni%2FeditAdvPlantNameSearch.do%3Bjsessionid%3DAE959DACB3A4A684482A6178768705BC%3Ffind_infragenus%3D%26find_geoUnit%3D%26find_includePublicationAuthors%3Dtrue%26find_addedSince%3D%26find_family%3D%26find_genus%3DAcacia%26find_infrafamily%3D%26find_rankToReturn%3D%26find_publicationTitle%3D%26find_authorAbbrev%3D%26find_infraspecies%3D%26find_includeBasionymAuthors%3Dtrue%26find_modifiedSince%3D%26find_species%3Dpolyacantha%26output_format%3Dnormal> for details follow the following link http://www.phytologia.org/Phytologia%20PDFs/91(1)pdfFiles/91(1)26-30SeaglerSenegaliarev2-2-09.pdf -- regards Dr.Anil Kumar
