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Allocasuarina decussata : ウィキペディア英語版 | Allocasuarina decussata
''Allocasuarina decussata'', commonly known as karri oak or karri she–oak, is a medium tree to 15 metres high (or more rarely a shrub) endemic to the south–west of Western Australia. It is an understory tree in Karri forest but also occurs as a stunted shrub in places like Bluff Knoll in the Stirling Range. ==Description== Karri Oak usually grows as a medium tree 8–15 metres high, although in harsh, exposed situations in places like the top of Bluff Knoll it is a stunted shrub or poorly–formed tree in shrubland. As with other members of the family Casuarinaceae, the foliage consists of wiry green branchlets called cladodes with rings of minute leaf scales. In this species, the branchlets are about 14 cm long, roughly square or X–shaped in cross section, with four scale-teeth in each ring. The rings of scale–leaves are 7–9 mm apart. Separate male and female flowers form on the same individual plant. The fruiting structure is a woody cone, shaped like a short cylinder with its diameter roughly equal to or slightly greater than its length. The fruit is a winged samara 7–9 mm long.〔(【引用サイトリンク】url=http://www.anbg.gov.au/abrs/online-resources/flora/stddisplay.xsql?pnid=38627 )〕 It often grows in association with ''Acacia pentadenia''.〔Asplenium aethiopicum'' often grows as an epiphyte on its branches.〔(【引用サイトリンク】url=http://www.anbg.gov.au/abrs/online-resources/flora/stddisplay.xsql?sn_infspnm=aethiopicum&sn_infsprnk=sp.&sn_fam=aspleniaceae&sn_gen=asplenium&sn_sp= )〕
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「Allocasuarina decussata」の詳細全文を読む
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