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| Fragaria bringhurstii ： ウィキペディア英語版 |
Fragaria × bringhurstii
''Fragaria × bringhurstii'' is a naturally occurring hybrid species of strawberry native to the West Coast of the United States. The species results from the natural intercrossing of ''Fragaria vesca'' and ''Fragaria chiloensis'', native species whose ranges overlap in that region.
All strawberries have a base haploid count of 7 chromosomes. ''Fragaria × bringhurstii'' is pentaploid, having 5 pairs of these chromosomes for a total of 35 chromosomes, 7 from the ''F. vesca'' parent, and 28 from the ''F. chiloensis'' parent. Because of this odd number of chromosomes, this species possesses only limited fertility, due to problems of chromosome pairing during meiosis. However the plants readily reproduce vegetatively through runnering.
== References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Fragaria × bringhurstii」の詳細全文を読む
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