What is it about?
systematic implications in Dryopteridaceae: Investigating 12 Pakistani taxa
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Why is it important?
The important characters for the segregation of these genera. Elongate elliptic stomatal shape, narrow kidney shaped guard cells and broad elliptic shaped stomatal pores are diagnostic for all five species of Dryopteris selected. On the other hand, size and number of epidermal cells, lobes per cell, stomatal size, subsidiary cell size, stomatal pore size and stomatal index are the key features for species differentiation in Polystichum.
Perspectives
We believe that these foliar epidermal anatomical data are useful for the systematic study of Dryopteridaceae and this study has provided potential information for systematic and phylogenetic studies of Polystichum and Dryopteris. In addition, based on multivariate statistical analysis, our work validated the efficacy of foliar epidermal anatomical characters in the species and genus segregation. Similar research on other species will help to elucidate phylogenetic relationships between species in each genus and among genera of the complex Dryopteridaceae family.
Dr Maroof Ali
Xishuangbanna tropical botanical garden
Read the Original
This page is a summary of: A light and scanning electron microscopic diagnosis of leaf epidermal morphology and its systematic implications in Dryopteridaceae: Investigating 12 Pakistani taxa, Micron, August 2018, Elsevier,
DOI: 10.1016/j.micron.2018.05.008.
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