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Showing 2 results for Numerical Taxonomy

Jamil Vaezi, Fatemeh Batyari, Hamid Ejtehadi, Mohammad Farsi, Mohammad Reza Joharchi,
Volume 11, Issue 4 (2-2012)

The genus Salvia is morphlogically investigated to provide an identification key based on morphological characters in the Northeast of Iran. In this study, we examined more than 350 herbarium and collected specimens of different populations and measured 79 quantitative and qualitative (vegetative and generative) characters. The results of the multivariate analysis (principal component analysis) and Nonparametric Test (K independent samples) indicate that the morphological characters such as blossom shape, ring of trichome inside of corolla and protrusion style differentiated the Salvia species. For the first time, the species Salvia shariffi is reported in the Jonoubi and Shomali Khorassans.
, Soheila Parsa Pana,
Volume 15, Issue 2 (2-2015)

The genus Pedicularis with 600-800 species is a semiparasitic plant distributed mostly in cold and mountainous regions of the northern hemisphere . In this study, nine species of this genus in the flora of Iran has been studied by electron microscopy . The surface of stigma of P. pycnantha and P. wilhelmsiana are flat. It is hemispherical in P. cabulica , P. caucasica , P. rechingeri, P. sibthorpii, P. condensate, P. strausii and conical only in P. rhinanthoides . In order to determine relationships between species, numerical analysis was carried out using 44 quantitative and qualitative of morphological, anatomical and palynological traits. The diagrams obtained from UPGMA and PCA methods were used to establish the relationship between the studied specie. Based on the results of the analysis, traits such as fruit pericarp thickness , spongy parenchyma thickness of leaf , stem height , stem thickness , total thickness of the stem and midrib length with high variability can be useful for species determination and evaluation of the similarities between them.

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