Pyrus × bretschneideri

Pyrus × bretschneideri (or Pyrus bretschneideri), the ya pear or pearple or Chinese white pear[1] (Chinese: 白梨; pinyin: báilí), is an interspecific hybrid species of pear native to North China, where it is widely grown for its edible fruit.

Not to be confused with Chinese pear (Pyrus pyrifolia).

Chinese white pear
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Pyrus
Species:
P. × bretschneideri
Binomial name
Pyrus × bretschneideri
Chinese white pear flower

Recent molecular genetic evidence confirms some relationship to the Siberian pear (Pyrus ussuriensis), but it can also be classified as a subspecies of the Chinese pear Pyrus pyrifolia.

Along with cultivars of P. pyrifolia and P. ussuriensis, the fruit is also called the nashi pear.[2] These very juicy, white to light yellow pears, unlike the round Nashi pears (P. pyrifolia) that are also grown in eastern Asia, are shaped more like the European pear (Pyrus communis), narrow towards the stem end. The “Ya Li” (Chinese: 鸭梨; pinyin: yālí), literally "duck pear" due to its mallard-like shape, is one cultivar widely grown in China and exported around the world. Ya pears taste similar to a mild Bosc pear, but are crisp, with a higher water content and lower sugar content.

Further hybridization

Breeding programs have created cultivars that are the products of further hybridizing P. ×bretschneideri with P. pyrifolia.[3] Under the International Code of Nomenclature for algae, fungi, and plants, such backcross hybrids are named within the species P. ×bretschneideri.[4] Cultivar 'PremP109', also called 'Prem 109', is such a hybrid, marketed under the trademark Papple.[5]

References
  1. "Pyrus × bretschneideri". Germplasm Resources Information Network. Agricultural Research Service, United States Department of Agriculture. Retrieved 18 December 2017.
  2. "NSW Primary Industries 2002. Nashi asian pear varieties. Agfact H4.1.14". Archived from the original on 2015-06-18. Retrieved 2014-02-14.
  3. US 20120185978, Allan White, "Pear tree named 'PREM 109'", published Jul 19, 2012, assigned to Allan White
  4. McNeill, J.; Barrie, F.R.; Buck, W.R.; Demoulin, V.; Greuter, W.; Hawksworth, D.L.; Herendeen, P.S.; Knapp, S.; Marhold, K.; Prado, J.; Prud'homme Van Reine, W.F.; Smith, G.F.; Wiersema, J.H.; Turland, N.J. (2012). International Code of Nomenclature for algae, fungi, and plants (Melbourne Code) adopted by the Eighteenth International Botanical Congress Melbourne, Australia, July 2011. Vol. Regnum Vegetabile 154. A.R.G. Gantner Verlag KG. ISBN 978-3-87429-425-6. Article H.4
  5. "Papple TM brand Pears". Associated International Group of Nurseries (AIGN). Archived from the original on 5 January 2014. Retrieved 14 February 2014.
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