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''Nepenthes extincta'' is a tropical pitcher plant native to the Philippines. It is known only from Surigao del Sur, Mindanao, where it has been recorded at 400 m altitude.〔 This species belongs to the informal "''N. alata'' group", which also includes ''N. alata'', ''N. ceciliae'', ''N. copelandii'', ''N. graciliflora'', ''N. hamiguitanensis'', ''N. kitanglad'', ''N. kurata'', ''N. leyte'', ''N. mindanaoensis'', ''N. negros'', ''N. ramos'', ''N. saranganiensis'', and ''N. ultra''.〔〔Cheek, M. & M. Jebb 2013. Typification and redelimitation of ''Nepenthes alata'' with notes on the ''N. alata'' group, and ''N. negros'' sp. nov. from the Philippines. ''Nordic Journal of Botany'' 31(5): 616–622. 〕〔Cheek, M. & M. Jebb 2013. ''Nepenthes ramos'' (Nepenthaceae), a new species from Mindanao, Philippines. ''Willdenowia'' 43(1): 107–111. 〕〔Cheek, M. & M. Jebb 2013. ''Nepenthes ultra'' (Nepenthaceae), a new species from Luzon, Philippines. ''Blumea'', published online on October 24, 2013. 〕 These species are united by a number of morphological characters, including winged petioles, lids with basal ridges on the lower surface (often elaborated into appendages), and upper pitchers that are usually broadest near the base.〔〔 The specific epithet ''extincta'' was chosen to indicate that this species may already be extinct in the wild.〔 ''Nepenthes extincta'' is known from a single herbarium specimen collected in 1978.〔 ==References== * Cheek, M. 2014. (12 new carnivorous plant species from the Philippines ). Kew Science Blog, 20 January 2014. * Smith, L. 2014. (Pitcher perfect - but carnivorous plants are at risk ). ''The Independent'', January 5, 2014. 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「Nepenthes extincta」の詳細全文を読む スポンサード リンク
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