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POLLEN FLORA OF PAKISTAN-LVIII. CELASTRACEAE

ANJUM PERVEEN AND MUHAMMAD QAISER*

Abstract: Pollen morphology of 6 species of the family Celastraceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains are usually radially symmetrical, isopolar, colporate, sub-prolate to oblate-spheroidal. Sexine slightly thicker or thinner than nexine or as thick as nexine. Tectum mostly reticulate or sub-psilate. On the basis of exine pattern two distinct pollen types viz., Celastrus paniculatus–type and Maytenus senegalensis-type are recognized.

Department of Botany, University of Karachi, Karachi, Pakistan

*Federal Urdu University of Arts, Science and Technology, Karachi, Pakistan.