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''Prostanthera rotundifolia'' (roundleaf mint bush) is a species of flowering plant in the family Lamiaceae, one of about 90 Australian endemic species from the genus ''Prostanthera''. Its native distribution is in South Australia, New South Wales, Victoria and Tasmania. The species is listed as vulnerable in Tasmania. It is an evergreen, branched shrub, which may reach up to tall by broad. It has dark green, strongly aromatic, round leaves long, and cup-shaped purple flowers 1 cm across between September and October. The specific epithet ''rotundifolia'' means "rounded leaves". In cultivation it has gained the Royal Horticultural Society's Award of Garden Merit.〔(【引用サイトリンク】url=http://apps.rhs.org.uk/plantselector/plant?plantid=3472 )〕 In temperate regions it must be grown in a frost-free environment. Essential oils can be extracted from the leaves. ==References== *Threatened Flora of Tasmania. 2003. (''Prostanthera rotundifolia'' ) 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「Prostanthera rotundifolia」の詳細全文を読む スポンサード リンク
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