Common Name: Arizona mountain ash

Duration: Perennial

Nativity: Native

Lifeform: Shrub

General: Shrubs to 5 m, with densely white hairy twigs and winter buds, otherwise the bark reddish.

Leaves: Odd-pinnate leaves, 7-15 cm long, oval to lanceolate, serrated leaflets, 18-45 mm long, the leaflets dark green, thin, and sessile or borne on short petioles, serrate, glabrous and pubescent on veins beneath.

Flowers: Small and numerous white flowers, borne in terminal, compound cymose clusters, each 6-8 mm in diameter with an urn-shaped hypanthium, 5 petals and sepals, the petals short clawed, having many stamens and a single pistil.

Fruits: Fruit a small, red, berry-like pome (an apple-like fruit), borne in terminal clusters, each 8-10 mm in diameter and silky hairy or glabrate.

Ecology: Found in deep, moist soils in coniferous forests from 8,000-10,000 ft (2438-3048 m); flowers June-July.

Distribution: Ranges across New Mexico and Arizona.

Ethnobotany: Unknown

Etymology: Sorbus is an old Latin name for the genus, while dumosa means bushy or shrubby.

Editor: LCrumbacher, SBuckley 2011

Sorbus dumosa is an upper elevation shrub. It has pinnately compound leaves with glabrous serrate leaflets that are about 40mm long. The rachis of the leaf (petiole as it continues into the leaf) and the winter bud are white hairy. It has white flowers and orange or red fruit (a berry-like pome.)