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Trees, insects and diseases of Canada's forests

Group 11


Leaves alternate, simple; edges toothed

Leaves shiny and smooth on the upper surface, with lateral veins rarely forked; fruits completely covered with hairs, wing not clearly distinct from the seedcase

  • Rock elm

Leaves dark green, upper surface very rough, paler beneath, hairy on both surfaces

  • Slippery elm

Leaves rough on the upper surface, with 2-3 lateral veins forked at the base; fruit wings fringed with hairs, otherwise hairless

  • White elm
  • White elm
  • White elm