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PJB-2008-58
POLLEN FLORA OF PAKISTAN–LVII. VITACEAE
Abstract
Pollen morphology of 6 species representing 4 genera of the family Vitaceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains usually radially symmetrical, isopolar, tricolporate. Mostly sub-prolate or prolate to prolate-spheroidal, sexine much thicker or thinner than nexine. Tectum foveolate or reticulate. On the basis of exine ornamentation three distinct pollen types are recognized. Viz., Vitis parvifolia–type, Vitis jacqumontii and Ampelopsis vitifolia subsp. Hazaraganjiensis-type.
