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''Nemacladus'' is a genus of flowering plants in the bellflower family known generally as threadplants. There are 18 accepted species native to the southwestern United States and northern Mexico.〔(Kew World Checklist of Selected Plant Families )〕〔Lammers, T.G. (2007). World checklist and bibliography of Campanulaceae: 1-675. The Board of Trustees of the Royal Botanic Gardens, Kew. 〕〔(Biota of North America Program, 2013 county distribution maps for member of genus ''Nemacladus'' )〕 These are annual herbs with very slender, sometimes threadlike, branching stems bearing small five-lobed flowers. Species accepted:〔 *''Nemacladus australis'' (Munz) Morin - Baja California *''Nemacladus calcaratus'' Morin - Chimney Creek threadplant - California (Inyo + Tulare Cos) *''Nemacladus californicus'' (A.Gray) Morin - California (San Bernardino, Kern, Ventura, Santa Barbara, San Luis Obispo Cos) *''Nemacladus capillaris'' Greene - much of California, southwestern Oregon *''Nemacladus glanduliferus'' Jeps. - glandular threadplant - Arizona, southern California, Baja California *''Nemacladus gracilis'' Eastw. - slender threadplant - California (San Joaqin Valley, Los Angeles Basin) *''Nemacladus interior'' (Munz) G.T.Robbins - Sierra threadplant - California, Oregon *''Nemacladus longiflorus'' A.Gray - California, Arizona, Utah, Baja California *''Nemacladus montanus'' Greene - northern California *''Nemacladus orientalis'' (McVaugh) Morin - Sonora, Baja California, California, Arizona, Nevada, Utah, southern New Mexico, extreme western Texas *''Nemacladus pinnatifidus'' Greene - Baja California, southern California *''Nemacladus ramosissimus'' Nutt. - smallflower threadplant - Baja California, southern California *''Nemacladus rigidus'' Curran - stoutstem threadplant - California, Nevada, southeastern Oregon, southwestern Idaho *''Nemacladus rubescens'' Greene - California, Nevada, western Arizona, southwestern Utah *''Nemacladus secundiflorus'' G.T.Robbins - California *''Nemacladus sigmoideus'' G.T.Robbins - sigmoid threadplant - California, Nevada, western Arizona *''Nemacladus tenuis'' (McVaugh) Morin - California, Baja California *''Nemacladus twisselmannii'' J.T.Howell - California (Kern Co.) ==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「Nemacladus」の詳細全文を読む スポンサード リンク
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