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''Eucalyptus pilularis'', commonly known as blackbutt, is a common and dominant tree of the family Myrtaceae native to southeastern Australia. A large tree, it is identified by the stocking of rough bark, to about halfway up the trunk, above this is white smooth bark. The leaves are a uniform glossy to dark green and the white flowers occur from September to March. Blackbutt is the predominant tree species seen on the drive on the Pacific Highway between Taree and Coffs Harbour. Blackbutt is a koala food tree.〔http://www.faunaaustralia.com.au/aboutus/plantation.htm〕 Economically, it is one of Australia's most important hardwoods. ==Taxonomy== First described by James Edward Smith, the species name of ''ラテン語:pilularis'' refers to the Latin ''ラテン語:pilula'' (small pill or rounded knob), referring to the shape of the gumnuts. The common name ''blackbutt'' refers to the black base of the tree after fires. The type specimen was collected from Sydney in the year 1794. First published in 1797 in Transactions of the Linnean Society by James Edward Smith. Within the genus ''Eucalyptus'', it lies in the subgenus ''Eucalyptus'' and the section ''Pseudophloius'', a group united by rough but not stringy bark, large opposite juvenile and glossy green adult leaves. Their leaves have adensely reticulated pattern, and the seed is red-brown, and smooth and pyramidal in shape. A taxon once described as ''E. pilularis'' var. ''pyriformis'' has been reclassified as the species ''E. pyrocarpa''.〔 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「Eucalyptus pilularis」の詳細全文を読む スポンサード リンク
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