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Ephedra aspera : ウィキペディア英語版 | Ephedra aspera
''Ephedra aspera'' is a species of ''Ephedra'' known by the common names rough jointfir, boundary ephedra, and pitamoreal. It is native to the southwestern United States from California to Texas and parts of northern Mexico as far south as Zacatecas.〔(Kew World Checklist of Selected Plant Families )〕〔(Biota of North America Program, 2013 county distribution map )〕 It is a resident of varied woodland and scrub plant communities.〔(Jepson Manual Treatment: ''Ephedra aspera'' )〕 ==Description== ''Ephedra aspera'' is a highly branched shrub often exceeding in height made up of many long yellow-gold twigs. Its small leaves are just a few millimeters long. Male plants bear pollen cones 4 to 7 millimeters long. Female plants may be darker to reddish in color, bearing seed cones which are slightly larger than those of the male plant and contain only one seed each.〔(Flora of North America )〕
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 aspera」の詳細全文を読む
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