CHARACTERISTICS OF LEAVES TRICHOMES OF FAGONIA L. (ZYGOPHYLLACEAE) IN SAUDI ARABIA
Keywords:
Fagonia L , Zygophyllaceae, trichom , SEM, Saudi ArabiaAbstract
The characteristics of the leaf epidermis play a distinctive role in support of taxonomic studies within plants. However, we did not find taxonomic studies in Saudi Arabia of leaf epidermis, especially the trichomes of species in the genus Fagonia L. that are considered one of the most important medicinal genera in the Zygophyllaceae family, recorded in the Flora of Saudi Arabia. In this paper, the trichomes of Fagonia species leaves are determined. The upper and lower surfaces of leaves in all studied species had many types of trichomes with varying densities, except F. schwinfurthii leaves were smooth with sparse trichomes on their petioles. All trichomes in the studied species were unbranched glandular. Each species had more than one type of glandular trichomes. Some of the trichomes were sessile and others had stalks. The studied species contained multiple forms of secretory cells. The most common shapes were the oblong and clavate secretory cells. Also, the secretory cells had other shapes, such as cylindrical, pyriform, spherical, capitate, pilate, digitiform, and hook-shaped. The secretory cell of some species contained a cupule, but F. tristis was distinguished by the radial shape of a cupule. In this study, the multiple differences in secretory cell shapes demonstrated the distinguish diversity of trichomes and recorded new shapes that were not previously observed in Fagonia L.
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Abdel Khalik, K.N. and Hassan, N.M. (2012). Seed and trichome morphology of the Egyptian Fagonia (Zygophyllaceae) with emphasis on their systematic implications. Nordic Journal of Botany, 30(1):116 -126.
Beier, B.A. (2005). A revision of the desert shrub Fagonia (Zygophyllaceae). Systematics and Biodiversity. 3(3):221–263.
Beier, B.A. (2003). Phylogeny and taxonomy of the subfamily Zygophylloideae (Zygophyllaceae) With Special Reference to the Genus Fagonia. Acta Universitatis Upsaliensis Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, 898:23.
Chaudhary, S.A. (2001). Flora of the Kingdom of Saudi Arabia illustrated. Ministry of Agriculture and Water Center, Riyadh, National Herbarium, Vol.2: 490-496.
Collenette, S. (1999). Wild Flowers of Saudi Arabia .National Commission for Wildlife Conservation and Development (NCWCD). Riyadh, K.S.A., 756-759.
Chaudhary, S.A. and Al-jowaid, A.A. (2013). Vegetation of the Kingdom of Saudi Arabia (2nd ed.). National Agriculture & Animal Resources Research Center.
Danin, A. (1996). Plants of desert dunes. Springer, 102-126.
Fahn, A. and Shimony, C. (1996). Glandular trichomes of Fagonia L. (Zygophyllaceae) species: structure, development and secreted material. Annals of Botany, 77: 25 – 34.
Ghazanfar, S.A. (1994). Hand Book of Arabian Medicinal Plants. CRC Press, Boca Raton, pp. 587.
Gabr, D. G., Mohamed , A. H., Khafagi, A. A. F. (2012). Study of the leaf epidermis in some Egyptian taxa of Fagonia L. by SEM. Proc. 7th Int. Con. Biol. Sci. (Botany), 7: 20-33.
Hardin, J.W. (1979). Patterns of variation in foliar trichomes of eastern North American Quercus. American Journal of Botany, 6: 576–585.
Linnaeus, C. (1753). Species plantarum 1. Laurentii Salvii, Stockholm.
Migahid, A.M. (1996). Flora of Saudi Arabia (4th ed.). King Saud University, Riyadh, Vol. (1):114-119.
Moawed, M. M. and Ibrahim, S.D. (2016). Discrimination Between Some Species of Zygophyllaceae Based on SEM and Start Codon Targeted (Scot) Markers. The Egyptian Journal of Experimental Biology (Botany), 12(1): 115 – 124.
Palmer, P.G, and Tucker, A.E. (1981). A Scanning electron microscope survey of the epidermis of East African grasses, I. Smithsonian Contributions to Botany, 49: 1- 84.
Sheahan, M. C. and Cutler, D. F. (1993) Contributions of vegetative anatomy to the systematics of Zygophyllaceae R. Br. Botanical Journal of the Linnean Society, 113: 227-262.
Simpson, M.G. (2010). Plant Systematics, (2nd ed.). Academic Press is an imprint of Elsevier, Chapter (9): 495-508.
Taia, W.K. (2005). Modern Trends in Plant Taxonomy. Asian Journal of Plant Sciences, 4: 184-206.
Werker, E. (2000). Trichome Diversity and Development. Advances in Botanical Research, 31:1-35.
-Wagner, G.J., Wang, E., Shepherd, R.W. (2004). New Approaches for Studying and Exploiting an Old Protuberance, the Plant Trichome. Annals of Botany, 93(1):3–11.
Xiao, K., Mao, X.H., Lin, Y.L., Xu, H.B., Zhu, Y.S., Cai, Q.H., Xie, H., Zhang, J. (2017). Trichome, a Functional Diversity Phenotype in Plant. Molecular Biology, (1):1–6.
Yang, C.X. and Ye, Z.B. (2013). Trichomes as models for studying plant cell differentiation. Cellular and Molecular Life Sciences, 70:1937–1948.
Zohary, M. (1972). Flora Palaestina (part 2). Israel Academy of Science and Humanities, Jerusalem, 247 – 252.
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