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Sorbus arvonensis

Sorbus arvonensis, called the Menai Strait whitebeam or Cerddin Menai, is a whitebeam species in the rose family. It is native to a restricted area along the shore of the Menai Strait in North Wales. The species was first described by Sell (2014) and has been assessed as Critically Endangered.

Sorbus arvonensis
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Sorbus
Subgenus: Sorbussubg. Sorbus
Species:
S. arvonensis
Binomial name
Sorbus arvonensis

Contents

Sorbus arvonensis is found preferentially growing in areas with limestone bedrock along the southern shore of Menai Strait most often in open woodland or high woodlands habitats. The native range along the strait is restricted to a 10 m (33 ft) wide strip along the shore encompassing no more than 0.1 km2 (24.7 acres). Some individual plants grow along the beach line, with roots exposed to the air or growing down into the beach shingle and immersed in saltwater during high tides.

The earliest record of the species is an herbarium specimen collected by William Hunt Painter in 1879. It was noted as a distinct species by Rich (2010) who listed it as "Sorbus un-named taxon", however the species wasn't formally described until 2014.

The highly restricted native range puts the species at risk of extinction due to rising sea level induced habitat erosion. The majority of known specimens are growing within the North Wales Wildlife Trust's, Nantporth Nature Reserve and thus granted conservation protection from the reserve. A total of thirty mature to nearly mature specimens were known as of 2017 and the population has been assessed as currently stable, with an abundant fruiting season documented in 2014. Additionally, two seed bank collections are maintained including one at the Millennium Seed Bank in Wakehurst Place, and an immature specimen, raised from a seedling, was planted in the National Botanic Garden of Wales whitebeam grove in 2019.

Mature trees can reach heights of approximately 10 m (33 ft).

  1. Rivers, M.C.; Beech, E. (2017). "Sorbus arvonensis". IUCN Red List of Threatened Species. 2017: e.T97154635A97154638. doi:10.2305/IUCN.UK.2017-2.RLTS.T97154635A97154638.en. Retrieved2 September 2021.
  2. Blackhall-Miles, Robbie. "Menai Whitebeam". Global Trees. Retrieved2 September 2021.
  3. Green, Carly (8 February 2019). "Re-imagining the Whitebeam Grove: Part 2". National Botanic Garden of Wales. Retrieved6 September 2021.
  4. Sell, P. D.; Murrell, G. (2014). Flora of Great Britain and Ireland:'Capparaceae'to'Rosaceae'. Cambridge University Press.

Sorbus arvonensis
Sorbus arvonensis Article Talk Language Watch Edit Sorbus arvonensis called the Menai Strait whitebeam or Cerddin Menai is a whitebeam species in the rose family It is native to a restricted area along the shore of the Menai Strait in North Wales 1 The species was first described by Sell 2014 and has been assessed as Critically Endangered Sorbus arvonensisConservation statusCritically Endangered IUCN 3 1 1 Scientific classificationKingdom PlantaeClade TracheophytesClade AngiospermsClade EudicotsClade RosidsOrder RosalesFamily RosaceaeGenus SorbusSubgenus Sorbus subg SorbusSpecies S arvonensisBinomial nameSorbus arvonensis Sell Contents 1 Ecology 2 History and classification 3 Conservation status 4 Description 5 ReferencesEcology EditSorbus arvonensis is found preferentially growing in areas with limestone bedrock along the southern shore of Menai Strait most often in open woodland or high woodlands habitats The native range along the strait is restricted to a 10 m 33 ft wide strip along the shore encompassing no more than 0 1 km2 24 7 acres 2 Some individual plants grow along the beach line with roots exposed to the air or growing down into the beach shingle and immersed in saltwater during high tides 3 History and classification EditThe earliest record of the species is an herbarium specimen collected by William Hunt Painter in 1879 It was noted as a distinct species by Rich 2010 who listed it as Sorbus un named taxon however the species wasn t formally described until 2014 2 4 Conservation status EditThe highly restricted native range puts the species at risk of extinction due to rising sea level induced habitat erosion 1 2 The majority of known specimens are growing within the North Wales Wildlife Trust s Nantporth Nature Reserve and thus granted conservation protection from the reserve A total of thirty mature to nearly mature specimens were known as of 2017 and the population has been assessed as currently stable with an abundant fruiting season documented in 2014 1 Additionally two seed bank collections are maintained including one at the Millennium Seed Bank in Wakehurst Place 1 and an immature specimen raised from a seedling was planted in the National Botanic Garden of Wales whitebeam grove in 2019 3 Description EditMature trees can reach heights of approximately 10 m 33 ft 2 References Edit a b c d e Rivers M C Beech E 2017 Sorbus arvonensis IUCN Red List of Threatened Species 2017 e T97154635A97154638 doi 10 2305 IUCN UK 2017 2 RLTS T97154635A97154638 en Retrieved 2 September 2021 a b c d Blackhall Miles Robbie Menai Whitebeam Global Trees Retrieved 2 September 2021 a b Green Carly 8 February 2019 Re imagining the Whitebeam Grove Part 2 National Botanic Garden of Wales Retrieved 6 September 2021 Sell P D Murrell G 2014 Flora of Great Britain and Ireland Capparaceae to Rosaceae Cambridge University Press Retrieved from https en wikipedia org w index php title Sorbus arvonensis amp oldid 1045289570, wikipedia, wiki, book,

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