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Salix udensis

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Salix udensis
Salix udensis'Sekka'
Scientific classificationEdit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Salicaceae
Genus: Salix
Species:
S. udensis
Binomial name
Salix udensis

Salix udensis(syn.S. sachalinensisF.Schmidt) is a species ofwillownative to northeasternAsia,in easternSiberia(includingKamchatka), northeasternChina,and northernJapan.[1] [2] It is adeciduousshrubgrowing to 5 m (16 ft) tall. Theleavesare slender, lanceolate, 6–10 cm long and 0.8–2 cm broad, glossy dark green above, glaucous and slightly hairy below, with a serrated margin. Theflowersare produced in early spring oncatkins2–3 cm long.[3]It typically takes 20 years to reach maturity.[4]

ThecultivarS. udensis'Sekka' (Japanese fantail willow) is grown as anornamental plant;it hasfasciatedstems (stems that are joined abnormally in a flattened arrangement—hence "fantail" ), highly prized by Ikebana flower arrangers.[3]The Sekka cultivar has also been found to be resistant to plant pathogens such as rust (Melampsoraspp.) caused by pathogenic fungi.[5]

References

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  1. ^"Salix udensis".Germplasm Resources Information Network.Agricultural Research Service,United States Department of Agriculture.Retrieved21 January2018.
  2. ^Jordan, Roy."Gardening Service".Retrieved25 April2021.
  3. ^abHuxley, A., ed. (1992).New RHS Dictionary of Gardening.MacmillanISBN0-333-47494-5.
  4. ^"Salix udensis".Boone County Arboretum.
  5. ^Pei MH, Ruiz C, Shield I, Macalpine W, Lindegaard K, Bayon C, Karp A (2010)."Mendelian inheritance of rust resistance to Melampsora larici‐epitea in crosses between Salix sachalinensis and S. viminalis".Plant Pathology.59(5): 862–872.doi:10.1111/j.1365-3059.2010.02317.x.
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