Search results
Results from the WOW.Com Content Network
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 vilmorinii, the Vilmorin's rowan [1] or Vilmorin's mountain ash, is a species of flowering plant in the family Rosaceae, native to Sichuan, Tibet and Yunnan in China. It is a deciduous shrub or small tree , 4–6 metres (13–20 ft) tall, with ferny leaves, each having multiple leaflets that turn purple in autumn (fall).
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]
Sorbus cashmiriana, the Kashmir rowan, is a species of flowering plant in the family Rosaceae, native to the western Himalayas, including Kashmir. It is a small, usually short-lived deciduous tree growing to 6–8 m (20–26 ft), with a trunk up to 25 cm (10 in) in diameter.
Sorbus commixta is grown as an ornamental tree, hardy in zones 5-9. It grows best in moist, well-drained soil, in full sun. It grows best in moist, well-drained soil, in full sun. A number of cultivars have been selected, the most popular being 'Embley' (with fastigiate branching) and 'Serotina' (flowering later in early summer). [ 3 ] '
The tree is again a cross between the native rowan and whitebeam, the discovery being made following work by Scottish Natural Heritage (SNH), Dougarie Estate and Royal Botanic Garden Edinburgh. Research into the genetics of whitebeam trees had shown that the population was much more diverse than previously thought and that the Arran whitebeams ...
Britain and Ireland have few endemic trees, most being micro-species of Whitebeam. But there are some interesting endemic trees nevertheless. Apomictic Whitebeams endemic to the British Isles: Sorbus arranensis – Isle of Arran only. Arran Service Tree – Isle of Arran only. Sorbus pseudomeinichii - Isle of Arran only.