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shaheen, R., teleb, S., Abd Elbaset, H., El-Demerdash, M. (2025). Leaf epidermal characteristics of Some Taxa of Bignoniaceae from Egypt. Bulletin of Faculty of Science, Zagazig University, 2025(2), 39-49. doi: 10.21608/bfszu.2024.306048.1414
riham raafat shaheen; samir teleb; Hussein Abd Elbaset; Marwa El-Demerdash. "Leaf epidermal characteristics of Some Taxa of Bignoniaceae from Egypt". Bulletin of Faculty of Science, Zagazig University, 2025, 2, 2025, 39-49. doi: 10.21608/bfszu.2024.306048.1414
shaheen, R., teleb, S., Abd Elbaset, H., El-Demerdash, M. (2025). 'Leaf epidermal characteristics of Some Taxa of Bignoniaceae from Egypt', Bulletin of Faculty of Science, Zagazig University, 2025(2), pp. 39-49. doi: 10.21608/bfszu.2024.306048.1414
shaheen, R., teleb, S., Abd Elbaset, H., El-Demerdash, M. Leaf epidermal characteristics of Some Taxa of Bignoniaceae from Egypt. Bulletin of Faculty of Science, Zagazig University, 2025; 2025(2): 39-49. doi: 10.21608/bfszu.2024.306048.1414

Leaf epidermal characteristics of Some Taxa of Bignoniaceae from Egypt

Article 4, Volume 2025, Issue 2, June 2025, Page 39-49  XML PDF (1.79 MB)
Document Type: Original Article
DOI: 10.21608/bfszu.2024.306048.1414
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Authors
riham raafat shaheen email 1; samir teleb2; Hussein Abd Elbaset3; Marwa El-Demerdash4
1Botany and microbiology department, faculty of science, Zagazig university, Egypt.
2Botany and microbiology department, faculty of science, Zagazig university.
3Botany department, faculty of science, Zagazig university
4Botany department, faculty of science, Zagazig University
Abstract
Comparative studies have been carried out on the leaf epidermal features of six species (Handroanthus impetiginosus, Spathodea campanulata, Tabebuia aurea, Tabebuia rosea, Tecomaria capensis and Tecoma stans) of the family Bignoniaceae in Egypt. Observations were carried out and photographed by light microscope (LM). Epidermal features as shape of epidermal cells, pattern of anticlinal wall and presence or absence of stomata at both adaxial and abaxial sides of leaf were observed and compared between the taxa. The shape of epidermal cells varied between polygonal and irregular at both sides. The pattern of anticlinal wall was straight, straight to curved, curved and sinuous at adaxial side and straight to curved, curved, sinuous and wavy (undulate) at abaxial side. Stomata present at abaxial side of all species, while absent at adaxial layer of some species as S. campanulata and T. aurea. Species as S. campanulata and T. aurea are amphistomatic, while H. impetiginosus, T. rosea, T. capensis and T. stans are hypostomatic.
Keywords
Micromorphological characters; Bignoniaceae; Egypt; Light microscope (LM); epidermal cell and anticlinal wall
Main Subjects
Basic and applied research of Botany
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