ⓘ Sorbus sitchensis

                                     

ⓘ Sorbus sitchensis

A multistemmed shrub, it is endemic to northwestern North America, from the Pacific coast of Alaska, to the mountains of Washington, Oregon and northern California and eastward to parts of Idaho and western Alberta and Montana. It is widespread in British Columbia.

Otherwise similar Sorbus scopulina has yellow-green notched leaves, which are sharply serrated, the greater part of their length.

Winter buds Not sticky with rusty hairs. Leaves Alternate, compound, six to ten inches long, Leaflets seven to ten, blue-green, lanceolate or long oval, with rounded tip, toothed usually from the middle to the end. In autumn they turn yellow, orange and red. Stipules leaf-like, caducous. Flowers After the leaves are fully grown, June through September. White, small, 80 or fewer, borne in flat compound cymes three or four inches across. Fruit Berry-like pome, globular, one-quarter of an inch across, bright pinkish red, borne in cymous clusters. They are enjoyed by the Richardsons grouse.
                                     
  • cascadensis Sorbus simonkaiana Sorbus sitchensis Sitka mountain - ash Sorbus splendens Sorbus stankovii Sorbus taurica Sorbus ursina Sorbus vertesensis Sorbus vestita
  • Acer, Betula, Larix, Malus pumila, Picea sitchensis Prunus, Pyrus, Quercus, Salix, Sorbus aucuparia, Sorbus commixta, Ulmus davidiana and Vaccinium.
  • buffalo - berry Sorbus rowans Sorbus americana American Rowan or mountain - ash Sorbus aucuparia European rowan - introduced Sorbus decora Showy Rowan
  • Whitebeams European Rowan Sorbus aucuparia Common Whitebeam Sorbus aria and several related apomictic microspecies Service Tree Sorbus domestica recently
  • procumbens, creeping sibbaldia Sorbus aucuparia, European mountain - ash Sorbus scopulina, greene s mountain - ash Sorbus sitchensis Sitka mountain - ash Spiraea
  • cerris, Turkey Oak Quercus petraea, Sessile Oak Sorbus aria, Whitebeam Sorbus aucuparia, European Rowan Sorbus intermedia, Swedish Whitebeam Tilia cordata
  • Physocarpus capitatus Picea engelmannii Picea glauca Picea pungens Picea sitchensis Pinus aristata Pinus attenu radiate Pinus attenuate Pinus backsiana Pinus
  • miles distance. Kielder is dominated by conifers. Sitka spruce Picea sitchensis covers 75 of the planted area this species thrives in the damp conditions