Scouler willow

  • Latin name: Salix scouleriana Barratt
  • French name: Saule de Scouler
  • Synonym(s): Mountain willow , fire willow
  • Taxonomic Serial Number: 504980
Description

Leaves

  • Leaf and stipules - Scouler willow

Form

  • Usually widest above the middle
  • Tapering to tip and base, blunt–pointed
  • Lower surface covered with hairs

Length

  • 5–12 cm
  • Stipules 1–3 mm, longer on vigorous shoots

Colour

  • Upper surface dark green
  • Lower surface whitish
  • Hairs rust-coloured

Margin

  • Smooth or sparsely toothed toward the base

Buds

Form

  • Pointed, sharp-edged, pressed against the twig, closely spaced
  • Covered with a single scale
  • No true terminal bud; end bud originates as a lateral bud
  • Flower buds larger than leaf buds
  • Leaf scars V-shaped, with 3 vein scars
  • Stipule scars on either side

Colour

  • Red

Twigs

Form

  • Tough
  • Covered with dense hairs when young

Colour

  • Yellowish- to greenish-brown

Flowers

  • Seed catkin - Scouler willow
  • Pollen catkin - Scouler willow
  • Seed flower - Scouler willow
  • Pollen flower - Scouler willow

Form

  • Catkins on short shoots with bract-like leaves

Structure

  • Dioecious

Fruits

Form

  • Capsules hairy

Bark

Form

  • Ridges on larger stems
  • Diamond-shaped patches on main stems

Colour

  • Dark brown

Size

Height

  • To 9 m

Habitat

Site

  • Recently burned-over areas and in young upland forests

Range

Manitoba westward

Photos
  • Scouler willow
  • Scouler willow
  • Scouler willow
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