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''Ephedra fragilis'', commonly named the joint pine, is a species of ''Ephedra'' that is native to eastern Mediterranean region of southern Europe and Northern Africa, and from Madeira and the Canary Islands in the Atlantic.〔(Kew World Checklist of Selected Plant Families )〕〔Dobignard, A. & Chatelain, C. (2011). Index synonymique de la flore d'Afrique du nord 3: 1-449. Éditions des conservatoire et jardin botaniques, Genève. 〕〔(Altervista Flora Italiana, Efedra fragile, ''Ephedra fragilis'' Desf. )〕 Its habitats are rocky hills and stone walls, where it grows to tall. 〔(PFAF Plant Database — ''Ephedra fragilis'' ) . accessed 1.10.2013〕 ==Taxonomy== The plant was originally described by René Louiche Desfontaines in 1799 and placed in section ''Pseudobaccatae'' (=sect. ''Ephedra sect. Ephedra''), "tribe" ''Scandentes'' by Otto Stapf in 1889. In 1996 Robert A. Price classified ''E. fragilis'' in section ''Ephedra'' without recognizing a tribe.〔Price, R. A. (1996). Systematics of the Gnetales: A review of morphological and molecular evidence. ''International Journal of Plant Sciences'', 157(6): S40-S49.〕 ;Subspecies #''Ephedra fragilis'' subsp. ''cossonii'' (Stapf) Maire - Algeria, Morocco, Western Sahara #''Ephedra fragilis'' subsp. ''fragilis'' - Spain, Portugal, Balearic Islands, Sicily, Calabria, Morocco, Western Sahara, Algeria, Tunisia, Libya, Madeira, Canary Islands 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「Ephedra fragilis」の詳細全文を読む スポンサード リンク
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