| Pak. J. Bot., 35(4): 457-461, 2003. | Back to Contents | ||||
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Updated: 06-02-12 | ||||
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POLLEN FLORA OF PAKISTAN -XXXIII. MENISPERMACEAE ANJUM PERVEEN AND MOHAMMAD QAISER Abstract: Pollen morphology of 4 species of the family Menispermacea from Pakistan has been examined by light and scanning electron microscope. Pollen grains usually radially symmetrical, isopolar subprolate, rarely oblate-spheroidal, colpate or colporate. Sexine thinner or thicker than nexine. Tectum reticulate or reticulate - rugulate. On the basis of aperture types two distinct pollen types are recognized viz., Cocculus pendulus - type and Tinospora malabarica -- type. Department of Botany, University of Karachi, Karachi - 75270, Pakistan |
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