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''Casuarina cunninghamiana'' is a she-oak species of the genus ''Casuarina''. The native range in Australia extends from Daly River in the Northern Territory, north and east in Queensland and eastern New South Wales. ==Description== The River Oak is an attractive evergreen tree with fine greyish green needle-like foliage that grows to a height of with a spread of about .〔〔(【引用サイトリンク】url=http://www.florabank.org.au/lucid/key/Species%20Navigator/Media/Html/Casuarina_cunninghamiana.htm )〕 The trunk is usually erect, with dense rough bark. Flowers are reddish-brown in the male and red in the female.〔 Cones are small, nearly round to elongated and about across.〔 Trees are usually found in sunny locations along stream banks and swampy areas.〔 It's widely recognised as an important tree for stabilising riverbanks and for soil erosion prevention accepting wet and dry soils. The foliage is quite palatable to stock.〔 ''C. cunninghamiana'' is frost tolerant down to around and is widely used effectively as a screening plant. It is useful on windy sites and is also suited to coastal areas. ''C. cunninghamiana'' has been introduced into several other countries for the purpose of agroforestry.〔 There are two subspecies: *''C. cunninghamiana'' subsp. ''cunninghamiana''. Large tree to tall. Eastern New South Wales, north and east Queensland.〔〔 *''C. cunninghamiana'' subsp. ''miodon''. Small tree to tall. Daly River and Arnhem Land in the Northern Territory and the Gulf of Carpentaria in Queensland.〔〔 The species has many common names including River Oak, River She-oak or Creek Oak.〔 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「Casuarina cunninghamiana」の詳細全文を読む スポンサード リンク
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