Pacific willow

  • Latin name: Salix lucida ssp. lasiandra (Benth.) E. Murr.
  • French name: Saule du Pacifique
  • Synonym(s): Yellow willow , western black willow
  • Taxonomic Serial Number: 524653
    22550 [syn. S. lasiandra Benth.]
Description

Leaves

  • Leaf and stipules, with details of finely toothed margin (above) and glands on leaf stalk at leaf base (below) - Pacific willow

Form

  • Lance-shaped
  • Tip often long-pointed and twisted, base rounded
  • Lower surface somewhat hairy
  • Stipules pointed

Length

  • 5–12 cm
  • Stipules 2–5 mm

Colour

  • Upper surface shiny dark green
  • Lower surface whitish
  • Midvein orange-yellow

Margin

  • Finely toothed

Petiole

  • Glandular at junction with the blade

Buds

  • Lateral bud and leaf scar - Pacific willow

Form

  • Stout, pointed, shiny at the tip
  • 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

Length

  • 10–13 mm

Colour

  • Light reddish-brown
  • Pale at the base

Twigs

Form

  • Stout, brittle, shiny
  • Woolly when young, becoming hairless

Colour

  • Yellowish, brownish or reddish

Flowers

  • Seed catkin - Pacific willow
  • Pollen catkin - Pacific willow
  • Pollen flower - Pacific willow

Form

  • Catkins on short leafy shoots

Length

  • Pollen catkins 2–4 cm
  • Seed catkins longer

Structure

  • Dioecious

Floral timing

  • With the leaves

Fruits

Form

  • Capsule narrowly conical, hairless

Length

  • 6–8 mm

Colour

  • Light reddish-brown

Timing

  • Bracts shed before capsules open

Bark

Form

  • Furrowed with broad flat scaly plates

Colour

  • Grey or brown becoming dark

Size

Height

  • To 9 m
  • The tallest native willow in British Columbia

Tree form

Open-grown

Trunk

  • Crooked, with a rounded but ragged crown

Crown

  • Branches upright

Habitat

Site

  • Gravelly soils along lakeshores and stream banks

Associated species

  • Red alder and black cottonwood

Range

Alaska to California, and eastward to Saskatchewan

Photos
  • Pacific willow
Distribution map
Distribution map - Pacific willow
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