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2023, Vol: 19, Issue: 2
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Original Research 


Foliar epidermal micromorphology and its taxonomic implication of some Myrtaceae Juss. taxa

Nareman Kamal Hosney, Alsafa H. Mohamed, Karima A. Hamed, Soad A. Hassan.

Abstract
The plants of Myrtaceae family show great economic potential for its medicinal properties, food and ecological importance. So, the leaf micromorphological characters of 26 cultivated species represent 15 genera belonging to family Myrtaceae, collected from Mazhar garden, Al-Bragil, Egypt, were examined using light and scanning electron microscope. The obtained results clearly revealed that, there are some leaf characters diagnostic at both generic and specific levels, it helps also in the morphological identification. In this study, nine stomatal types were recognized; anomocytic, anisocytic, cyclocytic, staurocytic, paracytic, brachyparacytic, pericytic, diacytic and actinocytic, while paracytic is the most common. These types occurring either hypostomatic or amphistomatic exclusively (homostomatic) or in combination (heterostomatic). For each species, the epidermal cell shape, type of anticlinal wall, shape and number of overlying cells associated with the secretory cavities as well as presence or absence of unicellular trichomes were also recorded. The results showed the presence of abnormal giant stomata in ten taxa only which consider more diagnostic. Eight sculpturing patterns are scored in these studied taxa; reticulate, ruminate, rugose, sclariform-reticulate, tuberculate, reticulate-foveate, colliculate and pusticulate. Other diagnostic features were recognized viz. The shape of periclinal walls of the epidermal cells, epicuticular wax, shape and level of stomatal aperture. An identification key based on the leaf micromorphological characters is provided to distinguish the genera and species.

Key words: Myrtaceae, Leaf epidermal micromorphology, SEM.


 
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How to Cite this Article
Pubmed Style

Hosney NK, Mohamed AH, Hamed KA, Hassan SA, . Foliar epidermal micromorphology and its taxonomic implication of some Myrtaceae Juss. taxa . Egypt. J. Exp. Biol. (Bot.). 2018; 14(2): 307-319. doi:10.5455/egyjebb.20181011080701

Web Style

Hosney NK, Mohamed AH, Hamed KA, Hassan SA, . Foliar epidermal micromorphology and its taxonomic implication of some Myrtaceae Juss. taxa . https://www.egyseb.net//?mno=12382 [Access: December 06, 2023]. doi:10.5455/egyjebb.20181011080701

AMA (American Medical Association) Style

Hosney NK, Mohamed AH, Hamed KA, Hassan SA, . Foliar epidermal micromorphology and its taxonomic implication of some Myrtaceae Juss. taxa . Egypt. J. Exp. Biol. (Bot.). 2018; 14(2): 307-319. doi:10.5455/egyjebb.20181011080701


Vancouver/ICMJE Style

Hosney NK, Mohamed AH, Hamed KA, Hassan SA, . Foliar epidermal micromorphology and its taxonomic implication of some Myrtaceae Juss. taxa . Egypt. J. Exp. Biol. (Bot.). (2018), [cited December 06, 2023]; 14(2): 307-319. doi:10.5455/egyjebb.20181011080701


Harvard Style

Hosney, N. . K., Mohamed, A. . H. ., Hamed, K. . A., Hassan, S. . . A. & (2018) Foliar epidermal micromorphology and its taxonomic implication of some Myrtaceae Juss. taxa . Egypt. J. Exp. Biol. (Bot.), 14 (2), 307-319. doi:10.5455/egyjebb.20181011080701


Turabian Style

Hosney, Nareman Kamal, Alsafa H. Mohamed, Karima A. Hamed, Soad A. Hassan, and . 2018. Foliar epidermal micromorphology and its taxonomic implication of some Myrtaceae Juss. taxa . THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany), 14 (2), 307-319. doi:10.5455/egyjebb.20181011080701


Chicago Style

Hosney, Nareman Kamal, Alsafa H. Mohamed, Karima A. Hamed, Soad A. Hassan, and . "Foliar epidermal micromorphology and its taxonomic implication of some Myrtaceae Juss. taxa ." THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany) 14 (2018), 307-319. doi:10.5455/egyjebb.20181011080701


MLA (The Modern Language Association) Style

Hosney, Nareman Kamal, Alsafa H. Mohamed, Karima A. Hamed, Soad A. Hassan, and . "Foliar epidermal micromorphology and its taxonomic implication of some Myrtaceae Juss. taxa ." THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany) 14.2 (2018), 307-319. Print. doi:10.5455/egyjebb.20181011080701


APA (American Psychological Association) Style

Hosney, N. . K., Mohamed, A. . H. ., Hamed, K. . A., Hassan, S. . . A. & (2018) Foliar epidermal micromorphology and its taxonomic implication of some Myrtaceae Juss. taxa . THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany), 14 (2), 307-319. doi:10.5455/egyjebb.20181011080701


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