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A PALYNOLOGICAL STUDY OF MONO COTS FROM KARACHI (EXCLUDING GRAMINEAE)

SEEMA SULTAN, ANJUM PERVEEN AND M. QAISER

Abstract: Pollen morphology of 25 monocotyledonous species belonging to 14 genera distributed in 8 families from Karachi have been investigated by light and scanning electron microscope. Pollen occur either singly or in tetrads. In most of the species simple apertures are found i.e., colpate and porate. However, in some cases iII-defined apertures or no apertures as in Commelinaceae are also found. Tectum of these families are also quite variable which ranges from reticulate, rugulate, striate, fossulate- echinate or scabrate/areolate.

Department of Botany, University of Karachi, Karachi-75270, Pakistan.