Mackenzie willow

Leaves

Form

• Narrow
• Widest above the middle
• Tip long, base rounded
• Stipules round-tipped

Length

• 5–15 cm

Colour

• Lower surface whitened
• Young leaves reddish

Margin

• Finely toothed and/or glandular

Petiole

• Red

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

• Sometimes with long shaggy hairs

Colour

• Brownish
• Larger stems light brown to reddish-brown

Flowers

Form

• Bracts with curling hairs

Colour

• Brown

Structure

• Dioecious

Floral timing

• With the leaves

Size

Height

• To 5 m

Habitat

Site

• Along streams and lakeshores
• Aspen woodlands and lower mountain slopes

Range

Northwest Territories to southeast Yukon, south through Alberta and British Columbia into the United States