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植物科学学报 2008
A New Variety of Polygonum from Jiangxi and Its Morphological Characters of Leaf Epidermis
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Abstract:
描述了产自江西庐山的蓼科(Polygonaceae)蓼属(Polygonum)一新变种--毛叶支柱蓼(Polygonum suffultum Maxim.var.tomentosum B.Li.et S.F.Chen var.nov.).这一新变种与原变种支柱蓼(Polygonum suffultum Ma-xim.)的区别在于叶片背面密被白色绒毛,下表皮细胞垂周壁浅波状,气孔器类型不等型,气孔长20.15~27.55 μm,宽17.45~22.47 μm,气孔密度128.91个/mm2.