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Diagnostic Features Leaves
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1D DD acuminate tip angular with ribs Appendix bark blade length broadly ascending brown and mottled Bud Gummy curved ascending DD 1D DD D DD defoliation Diagnostic Features DN 2 DN feeble angular feeble notched base Finely serrate margin flushing glands present greenish brown Gummy and twice half as long Heterophilia humpy Jackii 34 leaf base leaf colour purplish Leaf Deltoid leaf scar class leaf shape lenticels are oblong ln shape lnitial leaf colour lower section dark lower section greenish minal bud formation Ontario ovate Pale red midrib Pale red petiole petiole is half Phenology lnitial leaf pointed tip poplar clones Populus deltoides Populus x euramericana Position to stem secondary branches grow section greenish grey section greyish brown Shape of leaf short secondary branches stem is appressed stem is ascending stem is curved terete terminal bud formation twice as long Twig angular Twig ln cross-section Upper section light White midrib