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Arundinaria appalachiana : ウィキペディア英語版
Arundinaria appalachiana

''Arundinaria appalachiana'', commonly known as hill cane, is a woody bamboo native to the Appalachian Mountains in the southeastern United States. The plant was elevated to the species level in 2006 based on new morphological and genetic information and was previously treated as a variety of ''Arundinaria tecta''. As a relatively small member of its genus, it usually only attains heights of 0.5 to 1.0 metre with an either dense or diffuse habit. It is one of only three temperate species of bamboo native to North America. Hill cane is common on dry to mesic sites on upland slopes, bluffs and ridges in oak-hickory forests. In contrast to its sympatric relatives, ''Arundinaria gigantea'' typically appears along perennial streams, while ''A. tecta'' is found in swamps and other very wet areas.
==Taxonomy==
There has long been question to the taxonomic status of the eastern North American bamboos. Two species were originally described by Thomas Walter in 1788, namely ''Arundo gigantea'' and ''Arundo tecta''. Since that time the phenotypic diversity of the American bamboos has led to a variety of taxonomic treatments. One of the more recent and thorough surveys of ''Arundinaria'' was undertaken by Floyd Alonzo McClure in 1973 and includes only one species, namely ''Arundinaria gigantea''.〔
''Arundinaria appalachiana'' was first distinguished under the name ''Arundinaria tecta'' var. ''decidua'', which was applied by C.D. Beadle in 1914 upon noticing the deciduous leaves. Beadle himself and many botanists to follow noted that hill cane may be a distinct species. During the second half of the twentieth century it became quite clear that hill cane could not be properly treated within ''A. tecta'' or ''A. gigantea''. After cladistic genetic analysis was performed by Triplett and Clark it was determined that each of the three types of cane has a monophyletic lineage, supporting the case for three species. Morphological analysis has also supported this decision.

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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