Leaf Epidermal Anatomy of Asclepiadoideae in Northeastern Thailand
Abstract
The leaf epidermal characteristics of 11 species belonging to 11 genera of Asclepiadoideae in Northeastern Thailand. The samples were investigated by leaf epidermal peeling and stained with 1% safranin in water. The generalized epidermal characteristics in species studied are as follows: 1) the shapes of epidermal cell are irregular, polygonal or jigsaw-like, 2) the cell walls are straight and straight to cleft, 3) the types of stomata are paracytic, pentacytic, anomocytic and anisocytic, 4) the types of trichomes are multicellular hair and papillae, 5) the cuticular ormamentation are papillose and straight and 6) the types of inclusions are prismatic crystal and dark red staining inclusions. These characteristics can be used to identify and classified some closely resembled species or genera. In the present study, leaf epidermal anatomy of 4 species of Asclepiadoideae were recorded for the first time. Keywords : anatomy ; leaf epidermis ; asclepiadoideaeReferences
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Deepalaxmi, T. & Roseline, A. (2003). “Pharmacognostic studies of some medicinally valuable greens”. Journal of the Swamy Botanical Club, 20, 85-94.
Gupta, M., Mukhtar, H.M. & Ahmad, S. (2010). Phyto-pharmacological and plant tissue culture overview of Tylophora indica (burm f.) Merill. Journal of Pharmaceutical Science and Research, 2(7), 401–411.
Kartika, K.S., Sanjaya, K.S., HariVenkatesh, K.R. & Jyothi, T. (2012) A Pharmacognostic evaluation on
moorvadheda-Dregea volubilis (L.f.) Benth. ex Hook.f. International Research Journal of Pharmacy, 3(9), 127-130.
Kesonbua, W. & Srinual. A. (2015). Preliminary study on leaf epidermis of Apocynaceae in Thailand. Thai Journal of Botany, 7(1), 1-15. (in Thai)
Kijkaroon, T. 2002. Edible flowers. (1th ed). Bankkok: Baanlaesuan.
Lake, J.A., Woodward, F.I. & Quick, W.P. (2002). Long-distance CO2 signaling in plants. J. Exp. Bot, 53, 183-193.
Malimart, K., Saensouk, P. & Thongphairoj, U. (2017). Anatomy of some Apocynaceae in Thailand. Journal of Science and Technology Mahasarakham University, 37(1), 51-64.
Medthai. (2015). Properties and benefits of Dregea volubilis (L.f.) Benth. ex Hook.f. Retrieved January 23, 2020, from https://medthai.com/herb/ (in Thai)
Metcalfe, C.R. & Chalk, L. (1950). Anatomy of the Dicotyedons. (1th ed). London: Oxford University Press.
Metcalfe, C.R. & Chalk, L. (1957). Anatomy of the Dicotyedons. (1th ed). London: Oxford University Press.
Metcalfe, C.R. & Chalk, L. (1979). Anatomy of Dicotyledonous. (2nd Edition). Oxford: Clarendon Press.
Meve, U. (2002). Species numbers and progress in asclepiad taxonomy. Kew Bulletin, 57, 459–464.
Middleton, D.J. (1999). Apocynaceae. In T. Santisuk & K. Larsen (eds.), Flora of Thailand, Vol. 7 Part 1, pp. 1-153. Diamond Printing Co. Ltd: Bangkok.
Middleton, D.J. (2009). An update on the Apocynaceae in Thailand. Thai Forest Bulletin (Botany), 37, Special Issue, 143–155.
Muhammad, J. C. A. & Esperanza, M. A. (2017). Leaf morphology and anatomy of selected Philippine Dischidia R. Br. (Apocynaceae: Asclepiadoideae). In Proceedings of the DLSU Research Congress 2017. (pp. 1-8). De La Salle University.
Onefeli, A.O. & Kehinde, L.P. (2021). Taxonomic Value of Leaf Epidermal Markers in Discriminating Some Medicinal Tree Species of Apocynaceae Juss+. In Proceedings of the 1st International Electronic Conference on Forests — Forests for a Better Future: Sustainability, Innovation, Interdisciplinarity. (pp. 1-7). Environmental science.
Pallardy, S.G. & Kozlowski, T.T. (1979). Frequency and length of stomata of 21 Populus clones. Can. J. Bot, 57, 2019- 2523.
Salisbury, E.J. (1927). On Cause and Ecological Significance of Stomata Frequency with Special Reference to Woodland Flora. London: Philosophical Transactions of the Royal Society of London.
Stace, C.A. (1980). Plant Taxonomy and Biosystematics. London: Edward Arnold.
Stuessy, T.F. (1990). Plant Taxonomy. New York: Columbia University Press.
Sudhakar, P., Kavitha, D. & Ramachandra, R. P. (2018). A preliminary pharmacognostical report on the leaf of Dregea volubilis (L.f.) Benth. ex Hook.f. International Journal Pharmacognasy, 5(2), 97-102.
Wang, S.G., Jia, S.S., Sun, D.Z., Wang, H.Y., Dong, F.F., Ma, H.X., Jing, R.L. & Ma, G. (2015). Genetic basis of traits related to stomatal conductance in wheat cultivars in response to drought stress. Photosynthetica, 53, 299-305.
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Published
2022-06-01
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Research Article
