Cotoneaster franchetii

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Cotoneaster franchetii
Cotoneaster franchetii 2.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Cotoneaster
Species:
C. franchetii
Binomial name
Cotoneaster franchetii
Synonyms [1]
List
    • Cotoneaster cinerascens(Rehder) Flinck & B.Hylmö
    • Cotoneaster franchetii var. cinerascensRehder
    • Cotoneaster franchetii var. sternianusTurrill
    • Cotoneaster maireiH.Lév.
    • Cotoneaster sternianus(Turrill) Boom
    • Cotoneaster tengyuehensisJ.Fryer & B.Hylmö
    • Cotoneaster vilmorinianusG.Klotz
    • Cotoneaster wardiiW.W.Sm.
    • Pyrus cinerascens(Rehder) M.F.Fay & Christenh.
    • Pyrus franchetii(Bois) M.F.Fay & Christenh.
    • Pyrus klotziiM.F.Fay & Christenh.
    • Pyrus sterniana(Turrill) M.F.Fay & Christenh.
    • Pyrus turdusM.F.Fay & Christenh.
    • Pyrus variabilisM.F.Fay & Christenh.
    • Pyrus wardii(W.W.Sm.) M.F.Fay & Christenh.

Cotoneaster franchetii ( Franchet's cotoneaster or orange cotoneaster) is a species of Cotoneaster native to southwestern China, in the provinces of Guizhou, Sichuan, Tibet, and Yunnan, and also in adjacent northern Myanmar and northern Thailand. [2] [3]

It is an evergreen or semi-evergreen shrub growing to 3 metres (9.8 ft) tall. The leaves are oval-acute, 2–3.5 centimetres (0.79–1.38 in) long and 1–1.5 centimetres (0.39–0.59 in) broad, shiny green above, pubescent below with dense whitish to yellowish hairs. The flowers are produced in corymbs of 5–15 together, each flower 6–7 millimetres (0.24–0.28 in) diameter, with the five petals pink on the outer side, white on the inner side. The fruit is a red pome 6–9 millimetres (0.24–0.35 in) diameter; they are eaten by fruit-eating birds who disperse the seeds in their droppings. [2] [4] [5]

Two varieties are accepted by some authors, [5] but not treated as distinct by the Flora of China: [2]

Some authors include a third variety, var. sternianus, [3] although more often, this is treated as a distinct species, Cotoneaster sternianus. [5] [6] As Cotoneaster sternianus it has gained the Royal Horticultural Society's Award of Garden Merit. [7]

Cultivation and uses

Cotoneaster franchetii is a popular ornamental plant. It has escaped from cultivation and become locally naturalised in parts of the British Isles and the Pacific Northwest of North America, [4] [5] as well as Northern California. [8]

Scientists at the Royal Horticultural Society (RHS) in the UK carried out a study on the effectiveness of hedges for soaking up air pollution, comparing different types of shrubs including cotoneaster, hawthorn, and western red cedar. They found that bushy, hairy-leafed varieties of cotoneaster, such as this, are “super plants” that can help soak up air pollution. On roads with heavy traffic, the dense, hairy-leaved Cotoneaster franchetii was at least 20% more effective at soaking up air pollution than other shrubs often planted along roadsides. [9]

Related Research Articles

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References

  1. "Cotoneaster franchetii Bois". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 30 May 2021.
  2. 1 2 3 "Cotoneaster franchetii". Flora of China. Retrieved August 21, 2007.
  3. 1 2 "Cotoneaster franchetii". Germplasm Resources Information Network . Agricultural Research Service, United States Department of Agriculture . Retrieved August 21, 2007.
  4. 1 2 Flora of NW Europe: Cotoneaster franchetii Archived 2016-03-04 at the Wayback Machine
  5. 1 2 3 4 Huxley, A, ed. (1992). New RHS Dictionary of Gardening. Macmillan. ISBN   0-333-47494-5.
  6. Flora of NW Europe: Cotoneaster sternianus Archived 2013-07-29 at archive.today
  7. "Cotoneaster sternianus". The Royal Horticultural Society. 2021. Retrieved 30 May 2021. Synonyms; Cotoneaster franchetii var. sternianus
  8. "Cotoneaster franchetii Profile". 20 March 2017.
  9. Media, P. A. (2021-02-18). "Experts identify 'super-plant' that absorbs roadside air pollution". the Guardian. Retrieved 2021-02-18.