Abstract
The present study was designed to analyse the anatomy of the vegetative and reproductive parts of Turkish Iberis species from a systematic point of view. Samples of leaves, stems, roots, fruits, and seeds of each species were collected, fixed, and processed according to the paraffin method for light microscopy. The numerical analysis derived from 11 anatomical characteristics showed that the number and dimensions of vessels in the root, presence of aerenchyma in the leaf, number and dimensions of palisade parenchyma, and mesophyll type were useful for grouping the Iberis taxa. The testa was composed of four layers: the epidermis, subepidermis, compact tissue, and parenchyma. The testa thickness was a significant character to distinguish the investigated Iberis species. In this study, the traditional classification of Turkish Iberis species was mostly congruent with the dendrogram generated vegetative anatomical properties.
 Bangladesh J. Plant Taxon. 27(2): 213-224, 2020 (December)
Highlights
The family Brassicaceae, named as Cruciferae in reference to its four crossed petals, is commonly called the mustard family
The genus Iberis is a small group in crucifers, with a total of 28 species in the world (Al-Shehbaz, 2012; Çilden and Zare, 2019)
Quite a few palynological (Çıtak, 2019), embryological (Prabhakar and Vijayaraghavan, 1983), and floral (Busch and Zachgo, 2007) studies have been carried out on Iberis, the investigation of its comparative vegetative and reproductive anatomy remains insufficient for the genus
Summary
The family Brassicaceae, named as Cruciferae in reference to its four crossed petals, is commonly called the mustard family. This family contains 52 tribes, 341 genera, and 3997 species (Koch et al, 2012; Kiefer et al, 2014; BrassiBase: https://brassibase.cos.uni-heidelberg.de/, accessed 5 February 2018) distributed worldwide, primarily in temperate regions (Al-Shehbaz, 1984; Al-Shehbaz et al, 2006). Quite a few palynological (Çıtak, 2019), embryological (Prabhakar and Vijayaraghavan, 1983), and floral (Busch and Zachgo, 2007) studies have been carried out on Iberis, the investigation of its comparative vegetative and reproductive anatomy remains insufficient for the genus. In order to gain knowledge of the anatomical relationship of Turkish Iberis species, the first comprehensive study, which included representatives of eight species, was conducted to evaluate their practicality in the taxonomy of the genus
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