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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 Drakaea isolata ： ウィキペディア英語版 Drakaea isolata ''Drakaea isolata'', commonly known as lonely hammer orchid is a species of orchid endemic to the south–west of Western Australia. It is pollinated by a single species of male thynnid wasp using sexual deception. The orchid's labellum is similar in shape and scent to a flightless female thynnid wasp. It is known from only one population and has been declared "endangered" by the Australian government and "threatened" by the government of Western Australia. It was first collected in 1984 by Robert J. Bates. No other ''Drakaea'' species is found it the same area but the broad-billed duck orchid (''Paracaleana triens'') is found nearby. == Description == ''Drakaea isolata'' is similar to others in the genus in that it has a single, ground hugging leaf and an underground tuber. In this case, the leaf is heart shaped, about in diameter and is often withered by the time the flower opens. The leaf is covered with tiny lumps or short hairs, blue-grey with darker lines radiating from the attachment to the stem. The stem is long and the stalk of the single flower is long. The flower is also similar to those of other hammer orchids in that the labellum resembles a flightless female thynnid wasp, except that in this species the column is pointed, the labellum lacks an upturned end and the main body of the labellum has long hairs and a longer narrow "neck". The sepal at the back of the flower is long and the two at the sides are . The petals are also long. The insect-like labellum has a "head" about one-third long as the "body" and has a pair of dark projections near its base . The rest of the labellum (representing the female "body" of the insect) is dark maroon in colour, glabrous and not swollen as in ''Drakaea glyptodon''. The flower is similar to that of ''Drakaea confluens'' but is smaller and more uniform in colour. Flowers appear from September to the middle of October.〔 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「Drakaea isolata」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.