Feltleaf willow
- Latin name: Salix alaxensis (Anderson) Coville
- French name: Saule feutré
- Taxonomic Serial Number: 22497
Description
Leaves
Form
- Elliptic
- Often widest above the middle
- Tip pointed, base tapered
- Felt-like covering of woolly hairs on lower surface
- Stipules hairy, pointed
Length
- 5–10 cm
- Stipules 4–15 mm
Colour
- Upper surface green
- Hairs white
Margin
- Smooth, rolled under
Buds
Form
- Pointed, pressed against the twig, closely spaced
- Hairy
- 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
- Covered with woolly hairs during the 1st year, then smooth
Colour
- Reddish-brown
Flowers
Length
- Pollen catkins 3–4 cm
- Seed catkins about twice as long
Structure
- Dioecious
Floral timing
- Before the leaves, on previous year’s twigs
Fruits
Form
- Capsules hairy
Length
- 4–5 mm
Bark
Form
- Furrowed, scaly
- Diamond-shaped patches on main stems
Size
Height
- To 5 m
Habitat
Site
- On river flats
Range
Northwestern Canada, west into Alaska and Siberia
Photos
Photos
Derek Johnson
Derek Johnson
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)
- Eulithis destinata (Moesch)
- Eupithecia subfuscata (Haworth)
-
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)