Pak. J. Bot., 42(1): 1-6, 2010.

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			Updated: 08-03-10
	POLLEN FLORA OF PAKISTAN–LXV. BERBERIDACEAE ANJUM PERVEEN AND MUHAMMAD QAISER¹ Abstract: Pollen morphology of 12 species representing 2 genera of the family Berberidaceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains usually radially symmetrical, isopolar or apolar, spheroidal or sub-prolate.Spiroaperturate rarely colpate (3-more), sexine thicker than nexine. Tectal surface mostly foveolate-fossulate or sub-psilate, often rugulate - reticulate. On the basis of apertutal types and exine ornamentation four distinct pollen types are recognized, viz., Berberis calliobotrys-type, Berberis jaeschkeana-type, Berberis kunawurensis-type and Epimedium elatum-type. Department of Botany, University of Karachi, Karachi-75270, Pakistan ¹Federal Urdu University Arts, Science & Technology, Gulshan-e-Iqbal, Karachi, Pakistan.

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