Showy mountain ash (Sorbus decora)

Showy mountain ash photograph; © MN DNR, M. D. Lee

Form

Small tree, similar to Ameri-can mountain ash, height sometimes 20' to 30' with a diameter of 4" to 12"; open, rounded crown.

Bark

Smooth, gray-brown.

Leaf

Alternate on stem, length 6" to 8", pinnately compound with 11 to 15 leaflets that are 1 1/4" to 2 3/4" long, more than one-third as wide; bluish-green, yellow in autumn.

Fruit (seed)

Bright red-orange rounded berry; diameter about 3/8" to 1/2".

Range

Northeastern Minnesota and scattered interior locations; moderately shade-intolerant, slow-growing.