Pyrus × sinkiangensis
Encyclopedia
Pyrus × sinkangensis has been suspected to be of complex hybrid origin involving P. communis and Chinese white pears based on their morphological
Morphology (biology)
In biology, morphology is a branch of bioscience dealing with the study of the form and structure of organisms and their specific structural features....

 characteristics.

Cultivars of P. × sinkangensis vary considerably, combining characteristics of both P. communis and Chinese white pears. Generally, the fruit shape of this species is much similar to P. communis, but with a long pedicel
Pedicel (botany)
A pedicel is a stem that attaches single flowers to the main stem of the inflorescence. It is the branches or stalks that hold each flower in an inflorescence that contains more than one flower....

. Some cultivars of P. × sinkiangensis bear fruits with a persistent calyx and strong aroma, needing ripening before being edible, which is similar to P. communis. On the other hand, fruits of some cultivars are juicy and crisp and not needed for ripening, which is like Chinese white pear.

New information from DNA-based markers indicates that P. × sinkiangensis usually produced complex RAPD profiles, at least P. communis, P. armeniacifolia and Chinese white pears or sand pears have been involved in the origin of Xinjiang pears.
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