Sandbar willow

  • Latin name: Salix exigua Nutt.
  • French name: Saule de l'intérieur
  • Taxonomic Serial Number: 22529
    520829 [S. interior Rowlee]
Description

Leaves

  • Leaf with detail of gland-tipped teeth - sandbar willow

Form

  • Very narrow
  • Stipules small, deciduous

Length

  • 5–15 cm

Colour

  • Upper and lower surface light yellowish-green

Margin

  • Teeth sparse, small, gland-tipped

Petiole

  • Short

Buds

Form

  • Pointed, 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

Twigs

Form

  • Upright, smooth

Colour

  • Brown

Flowers

  • Seed catkin - sandbar willow
  • Seed flower with deciduous styles (above) and deciduous hairy bract (left) - sandbar willow
  • Pollen catkin - sandbar willow
  • Pollen flower - sandbar willow

Form

  • Catkins on leafy shoots, often branched
  • Bracts deciduous

Structure

  • Dioecious

Floral timing

  • After the leaves reach their full size

Fruits

Form

  • Fruit capsules long, slender

Size

Height

  • To 6 m

Habitat

Site

  • River sandbars

Range

New Brunswick to British Columbia

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