학술논문
Taxonomic implications of normal and abnormal stomatal complexes in Indigofera L. (Indigofereae, Faboideae, Fabaceae).
Document Type
Academic Journal
Author
Badry MO; Department of Botany & Microbiology, Faculty of Science, South Valley University, Qena, 83523, Egypt. mohamedowis@svu.edu.eg.; Osman AK; Department of Botany & Microbiology, Faculty of Science, South Valley University, Qena, 83523, Egypt.; Aboulela M; Botany and Microbiology Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt.; Gafar S; Department of Botany & Microbiology, Faculty of Science, South Valley University, Qena, 83523, Egypt.; Nour IH; Botany and Microbiology Department, Faculty of Science, Alexandria University, Alexandria, 21511, Egypt.
Source
Publisher: Springer Country of Publication: Austria NLM ID: 9806853 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1615-6102 (Electronic) Linking ISSN: 0033183X NLM ISO Abbreviation: Protoplasma Subsets: MEDLINE
Subject
Language
English
Abstract
This study is the first to report the foliar and stem epidermal micro-morphology of 13 taxa of Indigofera L. (Fabaceae) using light (LM) and scanning electron microscopy (SEM). The micro-morphological characteristics studied here are related to the epidermal cell shape, size, frequency, anticlinal wall pattern, and stomatal complex types, size, position, frequency, and index. The study revealed 19 major normal stomatal types with eight subtypes and seven major abnormal stomatal types with 13 subtypes. The stomatal index was lower on the abaxial leaf surface than on the adaxial surface. Notably, the adaxial surface of I. hochstetteri had the highest stomatal index (27.46%), while the abaxial surface of I. oblongifolia had the lowest (9.95%). The adaxial surface of I. hochstetteri also displayed the highest average stomatal frequency (38.67), while the adaxial surface of I. spinosa had the lowest average frequency (9.37). SEM analysis revealed that most leaves had slightly sunken to sunken stomata, while stem stomata were positioned at the same level as epidermal cells in most taxa. Indigofera's foliar and stem epidermal anatomy recommends their application as baseline data coupled with other taxonomic data for the delimitation and differentiation of closely related taxa in the genus. The study provides a comprehensive description, illustrations, images, and micrographs of the stomatal types, as well as a taxonomic key for distinguishing the studied taxa of Indigofera.
(© 2024. The Author(s).)
(© 2024. The Author(s).)