Isatis quadrialata Al-Shehbaz, Moazzeni & Mummenhoff (Brassicaceae)’nın anatomik, morfolojik ve mikromorfolojik özellikleri

Abstract

Bu çalışmada Isatis quadrialata’nın ayrıntılı morfolojik ve anatomik özellikleri incelenmiş olup, meyve ve tohum mikromorfolojileri araştırılmıştır. Anatomik araştırmalarda, türün kök, gövde, yaprak ve meyve enine kesitleri alınmıştır. Kök enine kesitlerinde, epidermis dokusu koruyucu görev yapmaktadır. Gövdelerde, tek tabakalı epidermis hücreleri, korteks parankiması, iletim demetleri ve öz hücreleri yer almaktadır. Yapraklarda, iki tabakalı palizat parankiması ile sünger parankiması yer almakta olup bifasiyal tip mezofil gözlemlenmiştir. Meyve enine kesitleri tek tabakalı ekzokarp, çok tabakalı mezokarp ve çok tabakalı endokarpa sahiptir. Meyve yüzey ornamentasyonu ağımsı iken tohum yüzey ornamentasyonu ise kabarcıklıdır. Isatis quadrialata’nın anatomik karakterlerinin taksonomik önemi olduğu belirlenmiştir.

Keywords

• Anatomi
• Boreava
• Isatis
• morfoloji
• mikromorfoloji

Anatomical, morphological and micromorphological characteristics of Isatis quadrialata AlShehbaz, Moazzeni & Mummenhoff (Brassicaceae)

Abstract

In this study, detailed morphological and anatomical features of Isatis quadrialata were examined. With anatomical analysis, transverse sections of root, stem and leaf were examined. Epidermis is a protective tissue in root transverse sections. Transverse sections of stem contain one layered epidermis, cortex parenchyma, vascular bundles and pith cells. The cross sections of leaves have two layered palisade parenchyma and spongy parenchyma with bifacial mesophyll. Transverse sections of fruit have one layered exocarp, multi layered mesocarp and endocarp. In addition, fruit and seed micromorphologies were studied. The fruit surface ornamentation is reticulate while the seed surface ornamentation is blister. The anatomical characteristics of Isatis quadrialata were determined of taxonomic importance.

Keywords

• Anatomy
• Boreava
• Isatis
• morphology
• micromorphology

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