Sorbus decora
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Sorbus decora, commonly known as the northern mountain ash,[1] showy mountain-ash,[2] Greenland mountain-ash, and dogberry, is a species of deciduous shrub or very small tree native to northeastern North America.
Description
Sorbus decora grows Script error: No such module "convert". tall. Its leaves are odd-pinnately compound, with 11–17 leaflets. Each leaflet is Script error: No such module "convert". long and Script error: No such module "convert". wide. All parts are hairless to slightly hairy. Flowers are borne in 125- to more than 400-flowered panicles Script error: No such module "convert". across. Each flower is Script error: No such module "convert". across and has five white petals Script error: No such module "convert". long, 14–20 stamens, and carpels with 3–4 styles. The fruits (pomes) are bright red to orange-red and Script error: No such module "convert". across.[3]
Distribution and habitat
Sorbus decora occurs throughout the Laurentian Mixed Forest Province, the New England-Acadian forest region, the eastern Canadian boreal forests and Greenland. It cannot be found north of 62°15′N, which confines it the southern tip of Greenland, generally deeper up the western fjords, such as the Qinngua Valley.[4][5]
Similar species
Sorbus decora is very similar to the closely related American mountain-ash (Sorbus americana). Like the American mountain-ash, the showy mountain-ash has odd-pinnately compound leaves and often large clusters of flowers and fruits. Showy mountain-ash can be distinguished by its shiny, sticky buds,[6] and its slightly larger flowers and fruit.[2] It is said to bloom a week earlier.[3]
Uses
It is often cultivated as an ornamental plant for its cold-hardiness, its attractive flowers, and its large clusters of small red berry-like pomes.
The fruits are an important source of food for wildlife, particularly birds in the winter and early spring.
References
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- ↑ a b Template:EFloras
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- ↑ Farrar, J.L. (1995). Trees in Canada. Markham, Ontario: Fitzhenry and Whitside/Canadian Forest Service.
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