الملخص

The present study deal with the identification of some cultivars of Pyrus communis L. mainly ( Karmen , Konphrs , Zafrane and Willyam ) planted in different places of Mosul city . The morphological characters involved ( Bud , stems . leaves , flowers , fruits seeds , and indumentnms ) . The results indicates that the leaves and fruits have a good value to separates and identified . The cultivars palynological study showed that pollen grains differ for shape and dimension in polar and equatorial view and were found to be tricolporate . The results of chemical study showed that (8) phenolic compound were identifiel in all conolic exraction of leaves , They were ( Querecetin , Querectin-7- glucoside , Myrcitine , Rutin , Luteoline-7- glucoside , Luteoline , Kampforal and Apigenine ) . This result showed a good value to identification the cultivars .