Shipova

The Shipova (× Sorbopyrus irregularis (Münchh.) C.A.Wimm.) is a hybrid of the European Pear (Pyrus communis) and the Common Whitebeam (Sorbus aria). It is a small to medium-sized tree growing to 10–18 m tall[3] (or 4 - 6 m on dwarfing rootstock[4][5]), with deciduous oval leaves 7–11 cm long and 5–6 cm broad. The fruit is a pome 2.5–3 cm long; it is edible with a sweet, yellowish flesh, which tastes similar to a Nashi Pear.

Shipova
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Rosids
Order:
Rosales
Family:
Rosaceae
Subfamily:
Amygdaloideae[1]
Genus:
× Sorbopyrus
Species:
× S. auricularis
Binomial name
× Sorbopyrus irregularis
(Münchh.) C.A.Wimm.
Synonyms[2]
  • Azarolus pollvilleriana Borkh.
  • Lazarolus pollveria Medik.
  • Pyrus bollwylleriana DC.
  • Pyrus irregularis Münchh.
  • Pyrus malifolia Spach
  • Pyrus pollveria L.
  • Pyrus pollvilla C.C.Gmel.
  • Pyrus pollwilleriana J.Bauhin ex Decne.
  • Pyrus tomentosa Moench
  • × Sorbopyrus auricularis C.K.Schneid.
  • × Sorbopyrus malifolia (Spach) C.K.Schneid. ex Bean

History

The hybrid, known as the Bollwiller Pear, first arose at Bollwiller in Alsace, France, before 1612, and has mostly been propagated by grafting since then; it is nearly sterile, only rarely producing any viable seeds. Two successful seedling propagations have been named as the cultivar 'Bulbiformis' and as the species Pyrus malifolia. However, shipova trees are not widely cultivated. Shipova is the only known species in the nothogenus × Sorbopyrus (the hybrid genus of Sorbus and Pyrus)

Similar hybrids

Other intergeneric hybrids within tribe Maleae that include Sorbus as one of the parents are:

  • × Amelasorbus
  • × Crataegosorbus
  • × Malosorbus
  • × Sorbaronia
  • × Sorbocotoneaster

Alternative genus names

The genus Sorbopyrus (a name published in 1906) has also been known as Bollwilleria Zabel (published 1907), and as Pyraria A.Chev. (published 1925).[6]

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References
  1. Potter, D.; Eriksson, T.; Evans, R.C.; Oh, S.H.; Smedmark, J.E.E.; Morgan, D.R.; Kerr, M.; Robertson, K.R.; Arsenault, M.P.; Dickinson, T.A.; Campbell, C.S. (2007). Phylogeny and classification of Rosaceae. Plant Systematics and Evolution. 266(1–2): 5–43. [Using the name Spiraeoideae to refer to the subfamily now known as Amygdaloideae]
  2. "×Sorbopyrus irregularis". Germplasm Resources Information Network (GRIN). Agricultural Research Service (ARS), United States Department of Agriculture (USDA). Retrieved 8 January 2018.
  3. Wimmer, Clemens Alexander (2014). "The Bollweiler pear × Sorbopyrus irregularis (Münchh.) CAWimm.: History and nomenclature" (PDF).
  4. "Shipova European Pear". Raintree Nursery. Retrieved 2020-07-03.
  5. "Shipova Mt. Ash Hybrid Fruit Tree at One Green World". One Green World. Retrieved 2020-07-03.
  6. Alfred Rehder (1949). "Bibliography of cultivated trees and shrubs hardy in the cooler temperate regions of the Northern Hemisphere". Arnold Arboretum of Harvard University. p. 260.
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