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Sorbus is a genus of over 100 species of trees and shrubs in the rose family, Rosaceae.Species of Sorbus are commonly known as rowan or mountain-ash.Currently, species commonly known as whitebeam, chequer tree and service tree are classified in other genera (see below), so that genus Sorbus includes only the pinnate leaved species of former subgenus Sorbus.
The rowans (/ ˈ r aʊ ə n z / ROW-ənz or / ˈ r oʊ ə n z / ROH-ənz) [1] or mountain-ashes are shrubs or trees in the genus Sorbus of the rose family, Rosaceae.They are native throughout the cool temperate regions of the Northern Hemisphere, with the highest species diversity in the Himalaya, southern Tibet and parts of western China, where numerous apomictic microspecies occur. [2]
Sorbus aucuparia, commonly called rowan (/ ˈ r oʊ ən /, [3] also UK: / ˈ r aʊ ən /) and mountain-ash, is a species of deciduous tree or shrub in the rose family. The tree has a slender trunk with smooth bark, a loose and roundish crown, and its leaves are pinnate in pairs of leaflets on a central vein with a terminal leaflet.
Sorbus albopilosa T.T.Yu & L.T.Lu; Sorbus americana Marshall; Sorbus amoena McAll. Sorbus arachnoidea Koehne; Sorbus arvonensis Sell [2] Sorbus aucuparia L. Sorbus bissetii McAll. Sorbus bulleyana McAll. Sorbus californica Greene; Sorbus carmesina McAll. Sorbus cashmiriana Hedl. Sorbus cibagouensis H.Peng & Z.J.Yin; Sorbus cinereopubescens ...
Sorbus densiflora (Spach) Heynh. Aronia arbutifolia , called the red chokeberry , [ 2 ] [ 3 ] is a North American species of shrubs in the rose family . It is native to eastern Canada and to the eastern and central United States, from eastern Texas to Nova Scotia inland to Ontario , Ohio , Kentucky , and Oklahoma .
Aronia melanocarpa, called the black chokeberry, is a species of shrubs in the rose family native to eastern North America, ranging from Canada to the central United States, from Newfoundland west to Ontario and Minnesota, south as far as Arkansas, Alabama, and Georgia. [1]
The whitebeams are members of the family Rosaceae, comprising the genus Aria.They are deciduous trees with simple or lobed leaves, arranged alternately. They are related to the rowans, and many of the endemic restricted-range apomictic microspecies of whitebeam in Europe are thought to derive from hybrids between the common whitebeam and the European rowan.
Sorbus americana is cultivated as an ornamental tree, for use in gardens and parks. It prefers a rich moist soil and the borders of swamps, but will flourish on rocky hillsides. A cultivar is the red cascade mountain-ash, or Sorbus americana 'Dwarfcrown'. It is planted in gardens, and as a street tree. [11]