Kenai birch

  • Latin name: Betula kenaica W.H. Evans
  • French name: Bouleau de Kenaï
  • Synonym(s): Red birch , Kenai paper birch
  • Taxonomic Serial Number: 195224
    19493 (B. papyrifera var. kenaica (W.H. Evans) A. Henry]
Description

Leaves

  • Leaf - Kenai birch

Form

  • Ovate to triangular
  • Thick, short-pointed
  • Upper surface hairy
  • Resin dots on lower surface, hairy on the veins

Colour

  • Upper surface dull dark green
  • Lower surface lighter green

Margin

  • Coarsely toothed

Twigs

Form

  • Hairy, becoming hairless

Colour

  • Reddish-brown, becoming very dark

Flowers

Form

  • Seed catkins on stiff stalks
  • Nutlets with narrow wings

Length

  • Pollen catkins 2.5 cm
  • Seed catkins 2.5 cm
  • Fruit scales with lobes of equal length

Colour

  • Pollen catkins dark brown

Structure

  • Monoecious

Bark

Form

  • Papery

Colour

  • Varies from light grey to pink, to reddish-brown, to dark brown

Range

Limited distribution in Yukon, common in Alaska

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