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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Roscoea purpurea ： ウィキペディア英語版 Roscoea purpurea ''Roscoea purpurea'' is a perennial herbaceous plant occurring in the Himalayas, particularly Nepal.〔 Most members of the ginger family (Zingiberaceae), to which it belongs, are tropical, but species of ''Roscoea'' grow in much colder mountainous regions.〔 It is sometimes grown as an ornamental plant in gardens.〔 ==Description== ''Roscoea purpurea'' is a perennial herbaceous plant. Like all members of the genus ''Roscoea'', it dies back each year to a short vertical rhizome, to which are attached the tuberous roots. When growth begins again, "pseudostems" are produced: structures which resemble stems but are actually formed from the tightly wrapped bases (sheaths) of its leaves.〔 ''R. purpurea'' can grow to over 50 cm tall, with wide leaves and a stout pseudostem, although the height varies. The leaf sheaths are pale green or may have a dark reddish-purple tinge.〔 The stem (peduncle) of the flower spike is hidden by the leaf sheaths. The flowers are the largest of any species in the genus. They are usually purple to mauve in colour, although white- and red-flowered forms have been found in Nepal.〔 Each flower has the typical structure for ''Roscoea'' (see the diagrams in that article). There is a tube-shaped outer calyx. Next the three petals (the corolla) form a tube slightly longer than the calyx, terminating in three lobes, an upright hooded central lobe and two slightly smaller side lobes. Inside the petals are structures formed from four sterile stamens (staminodes): two lateral staminodes form what appear to be small upright petals; two central staminodes are partially fused at the base to form a lip or labellum.〔 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「Roscoea purpurea」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.