Morphological and Microscopical Characteristics of Oxalis corniculata L.

Morphological and microscopical characteristics of “Chua me dat hoa vang” collected in Ha Tinh province were studied. Results have identified the scientific name of the plant as Oxalis corniculata L. (family Oxalidaceae). Besides, the morphological characteristics and powder microscopy of leaf and stem of Oxalis corniculata L. species were established. Morphological characteristics of leaf and stem are pale yellow corolla, slightly pointed bracts and cube calcium oxalate crystals scattered in the soft tissue of the leaf. characteristics of herbal powder are twisted vascular grafts, hairs unicellular. Keywords Oxalis corniculata, Oxalis corniculata L., Oxalis, Oxalidaceae, morphological characteristics, microscopical characteristics. References [1] D.H. Bich, D.Q. Chung, B.X. Chuong, N.T. Dong, D.T. Dam, P.V. Hien, V.N. Lo, P.D. Mai, P.K. Man, D.T. Nhu, N. Tap, T. Toan, Medicinal plants and animals in Vietnam, Volume I, Science and Technology Publishing House, Hanoi, 2004. (in Vietnamese)[2] M. Ibrahim, I. Hussain, M. Imran, N. Hussain, A. Hussain, T. Mahboob, Corniculatin A, a new flavonoidal glucoside from Oxalis corniculata, Revista Brasileira de Farmacognosia 23(4) (2013) 630-634. https://doi.org/10.1590/S0102- https://doi.org/10.1590/S0102695X2013005000059.[3] K.C. Oberlander, E. Emshwiller, D.U. Bellstedt, L.L. Dreyer, A model of bulb evolution in the eudicot genus Oxalis (Oxalidaceae), Molecular Phylogenetics and Evolution 51(1) (2009) 54–63. https://doi.org/10.1016/j.ympev.2008.11.022.[4] J. Zietsman, L.L. Dreyer, B. Jansen, V. Vuuren, Genetic differentiation in Oxalis (Oxalidaceae): A tale of rarity and abundance in the Cape Floristic Region, South African Journal of Botany, 75(1) (2009) 27–33. https://doi.org/10.1016/j.sajb.2008.06.003[5] L.D. Bich, Good folk remedies, Ethnic Culture Publishing House, Hanoi, 2000 (in Vietnamese).[6] L.D. Bich, T.V. On, Botany, Medical Publishing House, Hanoi, 2007 (in Vietnamese).[7] D.T. Loi, Vietnamese medicinal plants and herbs, Medical Publishing House, Hanoi, 2005 (in Vietnamese).[8] N.V. Than, Laboratory of Medicinal Materials by microscopic method, Science and Technology Publishing House, Hanoi, 2003 (in Vietnamese).