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- MakaleYalnız künye2024Scopus SJRQ3Pollen morphology of Eremogone (Caryophyllaceae) in Türkiye
Tokuşoğlu, Kader Varlik; Armağan, Meti̇N; Bülbül, Ali̇ Savaş
The palynological characters of 17 taxa belonging to genus Eremogone Fenzl (Caryophyllaceae) from Türkiye were examined using light microscopy and scanning electron microscopy. Eremogone pollen in Türkiye is found to have an average size of 31.31 μm (26.62‒36.65 μm), pore sizes ranging from 6.52 to 9.24 μm, inter-pore distances ranging from 9.07 to 12.57 μm, pore numbers varying from 5 to 14 and 5‒30 nanoechini distributed in an area of 10 × 10 µm. The ornamentation was identified as nanoperforate, nanoechinate, or nanofaveolate surface elements in various combinations. Clustering analysis and Principal Component Analyses do not show clear groups, although more similar taxa were brought together through the analysis of pollen micromorphological data rather, the nanoechinate base width, nanoechinate length, and pore diameter length are the most valuable variables for separating the examined taxa.
- MakaleAçık Erişim2022Scopus SJRQ2Pollen morphology of some Veronica species (Plantaginaceae) from Turkey
Varlik, Kader; Armagan, Metin; Bülbül, Ali Savaş
The aim of the present work is to provide an account on the morphological features of pollen of Veronica species in Turkey, as a contribution to future research. Pollen morphology of 20 species of the Veronica were investigated using Light Microscope (LM) and Scanning Electron Microscope (SEM). Different palyno-morphological features including; pollen ornamentation, colpus ornamentation, size of polar and equatorial diameter, P/E ratio, exine thickness, and size of colpus were observed. The study revealed that the pollen grains of the studied Veronica species were in all cases tricolpate, radially symmetrical and isopolar, oblate-spheroidal or prolate spheroidal. The surface pattern of the exine varied from striato-reticulate and striatomicroreticulate to microechinate-perforate, which allows recognition of three homonymous types of pollen grains.
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