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''Buxus microphylla'' (Japanese Box or Littleleaf Box) is a species of ''Buxus'' native to Japan and Taiwan.〔Germplasm Resources Information Network: (''Buxus microphylla'' ) Retrieved September 26, 2007.〕 It is an evergreen shrub or small tree growing to tall. The leaves are bright green, long, oval with a rounded or notched tip.〔Huxley, A., ed. (1992). ''New RHS Dictionary of Gardening''. Macmillan ISBN 0-333-47494-5.〕〔Bean, W. J. (1976). ''Trees and Shrubs Hardy in the British Isles'' 8th ed., vol. 1. John Murray ISBN 0-7195-1790-7.〕 The species was first described from Japanese cultivated plants of an unknown origin; these are dwarf shrubs that only grow to a height of , possessing small leaves less than long. Wild box plants in Japan differ somewhat, growing to be 2–3 m tall with leaves up to 25 mm long; they are sometimes distinguished as ''Buxus microphylla'' var. ''japonica'' (Muell.-Arg.) Rehder & Wilson (syn. ''B. japonica'' Muell.-Arg.).〔〔 Plants from Taiwan are distinguished as ''Buxus microphylla'' var. ''tarokoensis'' S.Y.Lu & Y.P.Yang.〔Germplasm Resources Information Network: (''Buxus microphylla'' var. ''tarokoensis'' ) Retrieved September 26, 2007.〕 Plants from China and Korea formerly often cited as ''Buxus microphylla'' var. ''sinica'' are now treated as a distinct species ''Buxus sinica''.〔Germplasm Resources Information Network: (''Buxus microphylla'' var. ''sinica'' ) Retrieved September 26, 2007.〕 The species is grown as an ornamental plant, both in its native area and elsewhere in temperate regions around the world.〔Plants For A Future: (''Buxus microphylla'' ) Retrieved September 26, 2007.〕 ''Buxus microphylla'' var. ''compacta'' (Kingsville Dwarf Boxwood) and similar cultivars are frequently used for bonsai. ==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「buxus microphylla」の詳細全文を読む スポンサード リンク
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