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Gaylussacia brachycera : ウィキペディア英語版
Gaylussacia brachycera

''Gaylussacia brachycera'', commonly known as box huckleberry or box-leaved whortleberry, is a low North American shrub related to the blueberry and the other huckleberries. It is native to the east-central United States (Pennsylvania, Delaware, Maryland, Virginia, West Virginia, North Carolina, Kentucky, and Tennessee).〔(Biota of North America Program 2014 county distribution map )〕
''Gaylussacia brachycera'' is easily distinguished from other members of its genus by its leaves: they resemble those of boxwood (hence its name) and lack the resin glands typical of huckleberries. Like its relatives, it bears white urn-shaped flowers in the early summer, which develop to blue, edible berries in late summer. It is mostly found in Appalachia; many of its stations there were known to natives, who picked and ate the berries, before botanists became aware of them in the 1920s.
A relict species nearly exterminated by the last ice age, box huckleberry is self-sterile, and is found in isolated colonies which reproduce clonally by extending roots. One colony in Pennsylvania was once estimated to be as many as 13,000 years old; more recent estimates have an upper bound of about 8,000 years, which would make it the oldest woody plant east of the Rocky Mountains. Another colony in Pennsylvania, about 1,300 years old, has been protected by the Hoverter and Sholl Box Huckleberry Natural Area.
==Description==
Box huckleberry is a low shrub, tall. Its leaves resemble those of boxwood (hence its name). About long and oval-shaped, they are glossy and minutely toothed, turning red in winter. The evergreen leaves, lacking resin glands, are in sharp contrast to other species of ''Gaylussacia''. Box huckleberry flowers in May and June. The flowers are urn-shaped and white, sometimes tinged with pink. Like other huckleberries, the flowers appear on a raceme springing from the leaf axils. Its fruits, which appear in July and August, are blue berries borne on short pedicels.〔(Flora of North America, ''Gaylussacia brachycera'' (Michaux) A. Gray, 1846. Box huckleberry )〕

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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