Chamaemespilus
| Chamaemespilus | |
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Rosaceae |
| Genus: | Chamaemespilus Medik. |
| Species: | C. alpina
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| Binomial name | |
| Chamaemespilus alpina (Mill.) K.R.Robertson & J.B.Phipps
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| Synonyms | |
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List (Species)
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Chamaemespilus is a genus of shrubs in the family Rosaceae. It is monotypic, being represented by the single species Chamaemespilus alpina, commonly known as false medlar or dwarf whitebeam. It is native to the mountains of central and southern Europe, from the Pyrenees east through the Alps to the Carpathians and the Balkans, growing at elevations of up to 2500 m.[1]
Description
[edit]Chamaemespilus alpina is a deciduous shrub growing to 2–3 m tall. The leaves are spirally arranged, oval-elliptic, 3–7 cm long, with an acute apex and a serrated margin; they are green on both sides, without the white felting found on most whitebeams. The flowers are pink, with five forward-pointing petals 5–7 mm long; they are produced in corymbs 3–4 cm diameter. The fruit is an oval red pome 10–13 mm diameter.[1][2]
Taxonomy
[edit]Chamaemespilus alpina is the sole species in a group that has been variously classified as the genus Chamaemespilus[3][4] or Sorbus subgenus Chamaemespilus,[5] distinguished from other subgenera of Sorbus by the pink (not white) flowers with forward-pointing petals (not opening flat).[2] More recently, it has become clear that the simple-leafed species traditionally included in Sorbus form a monophyletic group, and this species could be included in a clade called Aria[6] (genus Aria or Sorbus subgenus Aria).
Gallery
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Tree in autumn -
fruit
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References
[edit]- ^ a b Blamey, M. & Grey-Wilson, C. (1989). Flora of Britain and Northern Europe. ISBN 0-340-40170-2
- ^ a b Rushforth, K. (1999). Trees of Britain and Europe. Collins ISBN 0-00-220013-9.
- ^ Robertson, K.R.; Phipps, J.B.; Rohrer, J.R.; Smith, P.G. (1991), "A synopsis of genera in Maloideae (Rosaceae)", Systematic Botany, 16 (2): 376–394, doi:10.2307/2419287, JSTOR 2419287
- ^ Potter, D.; Eriksson, T.; Evans, R.C.; Oh, S.; Smedmark, J.E.E.; Morgan, D.R.; Kerr, M.; Robertson, K.R.; Arsenault, M.; Dickinson, T.A.; Campbell, C.S. (2007), "Phylogeny and classification of Rosaceae", Plant Systematics and Evolution, 266 (1–2): 5–43, Bibcode:2007PSyEv.266....5P, doi:10.1007/s00606-007-0539-9, S2CID 16578516
- ^ Lepší, M.; Lepší, P.; Koutecký, P.; Bílá, J.; Vít, P. (2015), "Taxonomic revision of Sorbus subgenus Aria occurring in the Czech Republic" (PDF), Preslia, 87: 109–162
- ^ Lo, E.Y.Y.; Donoghue, M.J. (2012), "Expanded phylogenetic and dating analyses of the apples and their relatives (Pyreae, Rosaceae)", Molecular Phylogenetics and Evolution, 63 (2): 230–243, Bibcode:2012MolPE..63..230L, doi:10.1016/j.ympev.2011.10.005, PMID 22293154
External links
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Media related to Chamaemespilus alpina at Wikimedia Commons
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