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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 Plantago princeps ： ウィキペディア英語版 Plantago princeps ''Plantago princeps'' is a rare species of flowering plant in the plantain family known by the common name ''ale''. It is endemic to Hawaii, where it is known from the islands of Hawaii, Kauai, Oahu, Molokai, and Maui.〔(''Plantago princeps''. ) The Nature Conservancy.〕 Like other Hawaiian ''Plantago'', it is known as ''kuahiwi laukahi'', or ''laukahi kuahiwi''. It is a federally listed endangered species of the United States. This is a large perennial herb or a shrub. The hairy leaves are up to 30 centimeters long by 5 wide and are borne on winged petioles. The inflorescence is a spike of flowers on an erect scape. The tiny flowers are a few millimeters wide.〔 Although the taxonomy is not certain, most authors divide the species into four varieties: var. ''anomala'', var. ''laxifolia'', var. ''longibracteata'', and var. ''princeps''.〔USFWS. (''Plantago princeps'' Five-year Review. ) August 2010.〕 This plant grows in moist and wet forested habitat types, sometimes on steep cliffs and near waterfalls.〔 The var. ''anomala'' is native to Kauai, where there have been fewer than 100 plants counted. The var. ''laxifolia'' is known from Molokai, where its numbers have recently dwindled and none were found in a recent search. This variety is also found on Maui, where there are seven small populations, or perhaps fewer. It once grew on the island of Hawaii, but it has not been noted there in over a century. The var. ''longibracteata'' is native to Kauai and there have been several thousand plants counted recently. It once grew on Oahu but it has apparently been extirpated from that island. The var. ''princeps'' is native to Oahu where there are fewer than 100 individuals scattered in several different locations.〔 This plant is threatened by feral ungulates such as pigs and goats, and introduced species of plants invading its habitat.〔 ==References== 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「Plantago princeps」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.