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''Lonicera caerulea'' (honeyberry, blue-berried honeysuckle, or sweetberry honeysuckle) is a honeysuckle native throughout the cool temperate Northern Hemisphere. It is a deciduous shrub growing to 1.5–2 m tall. The leaves are opposite, oval, 3–8 cm long and 1–3 cm broad, glaucous green, with a slightly waxy texture. The flowers are yellowish-white, 12–16 mm long, with five equal lobes; they are produced in pairs on the shoots. The fruit is an edible, blue berry about 1 cm in diameter. ==Classification== The classification within the species is not settled. One classification uses nine varieties.: *''Lonicera caerulea'' var. ''altaica''. Northern Asia. *''Lonicera caerulea'' var. ''caerulea''. Europe. *''Lonicera caerulea'' var. ''cauriana''. Western North America. *''Lonicera caerulea'' var. ''dependens''. Central Asia. *''Lonicera caerulea'' var. ''edulis'', synonym: ''L. edulis''. Eastern Asia. *''Lonicera caerulea'' var. ''emphyllocalyx'' (also known as Haskap). Eastern Asia. *''Lonicera caerulea'' var. ''kamschatica''. Northeastern Asia. *''Lonicera caerulea'' var. ''pallasii''. Northern Asia, northeastern Europe. *''Lonicera caerulea'' var. ''villosa''. Eastern North America. Another classification uses four subspecies:〔(【引用サイトリンク】title=The Plant List )〕 *''Lonicera caerulea'' subsp. ''caerulea''. *''Lonicera caerulea'' subsp. ''altaica''. *''Lonicera caerulea'' subsp. ''pallasii''. *''Lonicera caerulea'' subsp. ''villosa''. 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「Lonicera caerulea」の詳細全文を読む スポンサード リンク
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