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Bebb willow

  • Latin name: Salix bebbiana Sarg.
  • French name: Saule de Bebb
  • Synonym(s): Beaked willow diamond willow
  • Taxonomic Serial Number: 22507
Description

Leaves

  • Leaf and stipules - Bebb willow

Form

  • Narrow to elliptic
  • Tapering to both ends
  • Upper surface wrinkled
  • Hairy and prominent meshing veins on lower surface
  • Stipules small, soon falling away; larger and persistent on vigorous shoots
  • Young leaves hairy

Length

  • 3–7 cm
  • Stipules 1–5 mm

Colour

  • Upper surface dull green
  • Lower surface whitish

Margin

  • Smooth or wavy, somewhat rolled under
  • May be toothed in the basal part, especially on leaves toward the tip of the shoot

Petiole

  • Hairy
  • 3–10 mm long

Buds

Form

  • Blunt, 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

  • Shiny brown

Twigs

Form

  • Hairy when young, becoming hairless

Colour

  • Reddish-purple to orange-brown, with age becoming darker

Flowers

  • Seed catkin - Bebb willow
  • Pollen catkin - Bebb willow
  • Seed flower - Bebb willow
  • Pollen flower - Bebb willow

Form

  • Catkins on short leafy shoots
  • Bracts narrow, pointed, sparsely hairy

Length

  • Pollen catkins 1–2 cm
  • Seed catkins about twice as long
  • Bracts 1–3 mm

Colour

  • Bracts yellowish or straw-colored
  • Tips may be reddish

Structure

  • Dioecious

Floral timing

  • With the leaves

Fruits

  • Fruit capsule, open - Bebb willow

Form

  • Capsules long-beaked, sparsely hairy

Length

  • 6–8 mm
  • Stalk about as long

Bark

Form

  • Furrowed on large stems
  • Diamond-shaped patches often appear on a main stem

Colour

  • Reddish-brown or greyish-brown when young

Size

Height

  • To 8 m

Diameter

  • To 15 cm

Maximum age

  • 20 years

Tree form

Open-grown

Trunk

  • Usually multistemmed

Crown

  • Branches upright, then spreading

Habitat

Site

  • Moist sites
  • An understory species on limestone flats, jack pine sand plains, and other forest types

Range

Atlantic coast to British Columbia

Photos

Photos

Insects and mites

Insects that cause damage to this tree.

Birch and alder flea weevil

Scientific name: Rhynchaenus testaceus (Mull)

Poplar-and-willow borer

Scientific name: Cryptorhynchus lapathi (Linnaeus).

Willow flea weevil

Scientific name: Isochnus rufipes (LeConte)

Foliage or buds

Ceanothus silk moth

Scientific name: Hyalophora euryalis (Walker)

Mourningcloak butterfly or spiny elm caterpillar

Scientific name: Nymphalis antiopa (Linnaeus)

Pero moth

Scientific name: Pero morrisonaria (Hy. Edwards)

Poplar-and-willow borer

Scientific name: Cryptorhynchus lapathi (Linnaeus).

Speckled green fruitworm

Scientific name: Orthosia hibisci (Guenée)

White slaut

Scientific name: Tetracis cachexiata (Guenée)

Roots, bark, stem or trunk, or branches

Ceanothus silk moth

Scientific name: Hyalophora euryalis (Walker)

Poplar-and-willow borer

Scientific name: Cryptorhynchus lapathi (Linnaeus).

Willow flea weevil

Scientific name: Isochnus rufipes (LeConte)

Diseases caused by pathogens

Diseases caused by pathogens that cause damage to this tree.

Fir-willow rust

Pathogen name: Melampsora abietis-capraearum Tub.

Foliage or buds

Hemlock-willow rust

Pathogen name: Melampsora epitea Thuem.

Tar spot (Rhytisma salicinum )

Pathogen name: Rhytisma salicinum (Pers.:Fr.) Fr.

Distribution map
Distribution map - Bebb willow