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Pollen Morphology of Indian Species of Saraca L.(Leguminosae)-A Threatened and Legendary Medicinal Tree

Phyton-International Journal of Experimental Botany 2019年第3期88卷 295-315页

作者： Sujit Sil Tanmoy Mallick Tuhin Pal Animesh Mondal Kalyan Kumar De Asok Ghosh Postgraduate Department of Botany Hooghly Muhammad Mohsin College(Estd.1836)Chinsurah712101HooghlyWest BengalIndia UGC-CAS Department of Botany Taxonomy of Angiosperms and Biosystematics LaboratoryUniversity of BurdwanGolapbagBurdwan713104West BengalIndia

The genus Saraca L.(Leguminosae)is a universal panacea in herbal *** present study investigates the comparative pollen morphology of four species of Saraca ***(Roxb.)de Wilde,***(Jack)Miq.,*** L.,and *** Cantley ex Prain growing in India to reveal differences of their pollen structures to aid taxonomic and evolutionary *** detailed morphology and surface structure of pollen grains were studied and described using light microscopy and scanning electron *** pollen grains of Saraca showed isopolar,para-syncolporate,tricolporate,with radially symmetric,prolate and prolate-spheroidal *** surface of pollen of *** is rugulate with large lirae but in ***,the surface is micro-rugulate to vermiculate with relatively thin lirae and that of *** is indistinct as the psilate surface with a frequent protuberance and fewer perforations were observed along with the gemmae like *** ornamentation helped to separate *** and *** thickness varies from 3-4μ*** of protuberance and exine thickness varies among individuals of the species spread over different *** work also provides a unique palynological identity and interrelationship of these four species based on cluster analysis taking 23 pollen characters with the help of statistical method like the plotting of ternary *** plots also helped to calculate the level of plasticity of each character in the intra-and inter-specific level.

关键词： Cluster analysis palynology SEM study surface ornamentation ternary graph

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