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Musa × paradisiaca
''Musa'' × ''paradisiaca'' is the accepted name for the hybrid between ''Musa acuminata'' and ''Musa balbisiana''. Most cultivated bananas and plantains are triploid cultivars either of this hybrid or of ''M. acuminata'' alone. Linnaeus originally used the name ''M. paradisiaca'' only for plantains or cooking bananas, but the modern usage includes hybrid cultivars used both for cooking and as dessert bananas. Linnaeus's name for dessert bananas, ''Musa sapientum'', is thus a synonym of ''Musa'' × ''paradisiaca''.
==Description==
Almost all cultivated plantains and many cultivated bananas are triploid cultivars of ''M.'' × ''paradisiaca''. It is believed that Southeast Asian farmers first domesticated ''M. acuminata''. When the cultivated plants spread north-west into areas where ''M. balbisiana'' was native (see map), hybrids between the two species occurred and were then developed further into a wide range of cultivars.〔
Hundreds of cultivars of ''M.'' × ''paradisiaca'' are known, possessing characteristics that are highly variable, but broadly intermediate between the ancestral species. They are typically tall when mature. The above-ground part of the plant is a "false stem" or pseudostem, consisting of leaves and their fused bases. Each pseudostem can produce a single flowering stem. After fruiting, the pseudostem dies, but offshoots may develop from the base of the plant. Cultivars of ''M.'' × ''paradisiaca'' are usually sterile, without seeds or viable pollen.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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