Achene micromorphological character study of six Kyllinga spp. (Cyperaceae) from south India using scanning electron microscope (SEM) for its taxonomic significance

Anantha Murugesan, M. Ramasamy
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Abstract

Scanning electron microscope (SEM) study was used to examine achene epidermal surface features to add additional taxonomic characters for classification and to solve identification problems in six Kyllinga species of South India that are deposited in the Madras Herbarium (MH). The present study reveals that, the presence and absence of silica body in each cell based on the epidermal features plays an important role to differentiate the distinct individuals. Previous investigations support the data of achene micromorphology like exocarp cell shape, anticlinal and periclinal walls of the epidermal cell obtained using SEM delimits the taxa.
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用扫描电镜研究印度南部6种柏科植物瘦果的微形态特征及其分类意义
利用扫描电镜(SEM)研究了印度南部马德拉斯植物标本馆(Madras Herbarium, MH)收藏的6种Kyllinga植物瘦果表皮表面特征,为分类提供了新的分类特征,并解决了鉴定问题。本研究表明,基于表皮特征的硅体在每个细胞中的存在与否对区分不同的个体起着重要的作用。先前的研究支持利用扫描电镜获得的瘦果微形态学数据,如外果皮细胞形状、表皮细胞的斜壁和周壁划分类群。
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