International Journal of Medicinal Plants and Alternative Medicine
International Journal of Medicinal Plants and Alternative Medicine Vol. 2(2), pp. 013-020, August 2014 ISSN 2327-560X ©2013 Academe Research Journals
Full Length Research Paper
Studies of the leaf and floral anatomy of two species of Ixora
U. A. Essiett* and N. U. Umoh
Department of Botany and Ecological Studies, University of Uyo, P. M. B. 1017, Uyo, Akwa Ibom State, Nigeria.
*Corresponding author. E-mail: u.essiett@yahoo.com. Tel: +2348023028414.
Accepted 15 July, 2014
Abstract
Floral and epidermal characters of two species of Ixora were studied. The aim was to establish the useful diagnostic feature that may be employed in combination with other characters as intra and inter-specific or generic tools for their delimitation. The flowers of Ixora coccineawere hypostomatic while Ixora finlaysoniana flowers were hypoamphistomatic. The matured stomata types were anisocytic, anomocytic, staurocytic, paracytic, laterocytic, brachyparacytic and hemiparacytic stomata. I. coccinea leaf and flower are different from I. finlaysonianain having hemiparacytic stomata in the abaxial surfaces of the leaf and flower. Parallel contiguous stomata occurred only in I. finlaysoniana leaf while it was absent in I. coccinea. Long unicellular trichome were distributed on adaxial surface of I. coccinea. The shape of the anticlinal cell wall, stomatal index, guard cell area can be used to distinguish the species.
Key words: Epidermal, Ixora species, hypostomatic, hypoamphistomatic, trichome, stomata, anticlinal cell wall.
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