The monotypic genus Hagenia, which belongs to the family Rosacea,rncommonly known as Kosso is the most widely used taenicide againstrntapeworm. The flowers of this plant have been studied before, whereas nornprevious chemical work has been reported from the wood of H.rnabyssinica.rnC. macrostachyus stakes treated with successive extracts of H.abyssinicarnsaw dust with EtOAC and MeOH, and direct extract of H.abyssinica sawrndust with ethanol were damaged at different levels. However, C.rnmacrostachyus stakes treated with diethyl ether extract of H. abyssinicarnfemale flower were not damaged at all.