Heartleaf willow
- Latin name: Salix eriocephala Michx.
- French name: Saule à tête laineuse
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Taxonomic Serial Number: 22528
22577 [syn. S. rigida Mühl.]
Description
Leaves
Form
- Lance-shaped, base rounded to heart-shaped
- Hairy in spring, becoming smooth in summer
Length
- 10–15 cm
- Stipules 10–20 mm
Colour
- Upper surface dark green, tinged with reddish-purple
- Lower surface very pale
Autumn colour
- Red
Margin
- Finely toothed
- Stipules somewhat toothed
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
Colour
- Reddish-brown
Twigs
Form
- Hairy in spring, becoming smooth
Colour
- Reddish-brown to yellowish-green
Flowers
Form
- Catkins erect, on short shoots
Structure
- Dioecious
Fruits
Form
- Capsules smooth, long-pointed
Colour
- Reddish-brown
Size
Height
- To 6 m
Range
Nova Scotia to Yukon and south into the United States
Insects and mites
Insects that cause damage to this tree.
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Birch and alder flea weevil
Scientific name: Rhynchaenus testaceus (Mull)
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Poplar-and-willow borer
Scientific name: Cryptorhynchus lapathi (Linnaeus).
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Willow flea weevil
Scientific name: Isochnus rufipes (LeConte)
Foliage or buds
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Ceanothus silk moth
Scientific name: Hyalophora euryalis (Walker)
- Eulithis destinata (Moesch)
- Eupithecia subfuscata (Haworth)
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Mourningcloak butterfly or spiny elm caterpillar
Scientific name: Nymphalis antiopa (Linnaeus)
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Pero moth
Scientific name: Pero morrisonaria (Hy. Edwards)
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Poplar-and-willow borer
Scientific name: Cryptorhynchus lapathi (Linnaeus).
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Speckled green fruitworm
Scientific name: Orthosia hibisci (Guenée)
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White slaut
Scientific name: Tetracis cachexiata (Guenée)