Sitka mountain-ash

Leaves

Form

• 7–11 leaflets
• Elliptic, stalkless

Length

• Leaflets 2–6 cm
• Central stalk 8–15 cm

Colour

• Central stalk red
• Upper surface dark green
• Lower surface paler

Margin 

• Toothed toward the tip

Buds

Form

• Terminal bud cone-shaped
• Pointed, sticky

Length

• 6–15 mm

Colour

• Reddish

Twigs

Form

• Hairy when young

Colour

• Reddish-brown with silvery dots

Flowers

Form

• Small, in erect, rounded clusters (corymbs)

Width

• 6–8 mm

Structure

• Synoecious

Fruits

Width

• Fruits 10–12 mm
• Clusters 5–10 cm

Colour

• Red, orange, or purple

Structure

• Pome

Bark

Form

• Smooth, separating into small curling scales with age

Colour

• Light grey

Size

Height

• To 6 m

Tree form

Forest-grown

Crown

• Rounded

Habitat

Site

• Common on disturbed sites
• Reaches the alpine tree line

Range

From British Columbia inland to western Alberta