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''Narthecium ossifragum'', commonly known as bog asphodel, Lancashire asphodel or bastard asphodel, is a plant of Western Europe, found on wet, boggy moorlands up to about 1000 m in elevation. It produces spikes of bright yellow flowers in summer. The bright orange fruits have been used as a colourant to replace saffron by Shetland Islanders.〔Richard Mabey ''Flora Britannica''〕 Despite the plant's English name, it is not particularly closely related to the true asphodels. The Latin specific name means "bone-breaker", and refers to a traditional belief that eating the plant caused sheep to develop brittle bones. The probable origin of this story is that sheep eating a calcium-poor diet are likely to develop bone weakness, and ''N. ossifragum'' favours acidic low-calcium soils.〔 The plant can cause photosensitisation, a serious skin condition of sheep called ''alveld'', "elf fire", in Norway. It can be relieved by moving stock into shade. Not all stands of the plant are toxic, and the toxicity may be the side effect of the plant's response to a fungal infection.〔(Handbook of Plant and Fungal Toxicants ) by J. P. Felix D'Mello〕〔George B. B. Mitchell, 'Non-parasitic skin diseases of sheep' In Pract., Vol. 10, Issue 2, 69-73, March 1, 1988〕〔Arne Flåøyen, 'Studies on the aetiology and pathology of alveld'〕 It can be found in purple moor grass and rush pastures. It is tufted, hairless perennial. The leaves are narrow. ==Gallery== Image:Rome_(3).jpg|''Narthecium ossifragum'' in flower Image:Narthecium_ossifragum3.jpg|''N. ossifragum'' flower Image:Narthecium ossifragum verblueht.jpg|''N. ossifragum'' fruiting Image:Frucht Moorlilie.jpg|''N. ossifragum'' in fruit Image:Andorra - little brook.jpg|''N. ossifragum'', ''in situ'' near El Serrat, Andorra Image:Moorlilie_(Blume_des_Jahres_2011).JPG|''Narthecium ossifragum'' High Fens, Belgium 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「Narthecium ossifragum」の詳細全文を読む スポンサード リンク
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