Foliar and stem epidermal anatomy of the tribe Cynoglosseae (Boraginaceae) and their taxonomic significance

Microscopy Research and Technique
Farideh AttarWajid Zaman

Abstract

Foliar and stem epidermal anatomical features of the tribe Cynoglosseae have been studied in detail for the taxonomic identification using light microscopy (LM) and scanning electron microscopic (SEM) techniques. A comparative study was conducted on different plant parts (leaf and stem epidermal anatomy) of 25 species belonging to eight genera of the tribe Cynoglosseae (Boraginaceae) collected from different phytogeographical regions of Iran for the first time. Different qualitative and quantitative characteristics were observed in detail using LM and SEM. Results showed that although generally the stem and leaf anatomical traits were similar, but some diagnostic features were examined for distinguishing the closely related genera in the tribe. The ratio of cortex/diameter of stem and phloem/xylem, the average row number of collenchyma, palisade and spongy cells, structure of trichomes, type of indumentum and palisade arrangement were found taxonomically important. The anatomical characters were statistically analyzed using cluster analysis and principal component analysis. The study found that stem and leaf eccentrics are variable in the genus but constant within species of the same genus. Most species had typical isobilateral...Continue Reading

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Citations

Mar 13, 2019·Microscopy Research and Technique·Saba GulUzma Hanif
Jul 4, 2019·Microscopy Research and Technique·Shabnum ShaheenFarah Khan
Oct 3, 2019·Microscopy Research and Technique·Yuanyuan SongJiaxi Liu
Mar 3, 2020·Microscopy Research and Technique·Kalsoom BashirMehrina Asghar
Jun 7, 2019·Microscopy Research and Technique·Saba GulAsma Ayaz
Oct 17, 2019·Microscopy Research and Technique·Nosheen FerozeAsma Ayaz
Nov 16, 2019·Microscopy Research and Technique·Anauara L E SilvaMaria de Fátima Agra
Jun 11, 2020·Microscopy Research and Technique·Tahira AlyasFarah Khan
Mar 18, 2021·Microscopy Research and Technique·Emre Çilden, Şinasi Yıldırımlı
Apr 29, 2021·Microscopy Research and Technique·Şenay Süngü ŞekerGülcan Şenel
Dec 26, 2021·Microscopy Research and Technique·Zainab YousafSheikh Zain Ul Abidin

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