| Pak. J. Bot., 33(3): 223-227, 2001. | Back to Contents | ||||
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POLLEN FLORA OF PAKISTAN -XXIII. POLYGALACEAE ANJUM PERVEEN AND MOHAMMAD QAISER
Abstract: Pollen morphology of 6 species belonging to a single genus Polygala
of the family Polygalaceae has been investigated using light
microscope and scanning microscope. It is a stenopalynous in nature.
Pollen grains usually radially symmetrical, isopolar, prolate-spheroidal
to oblate-spheroidal or sub-prolate, polycolporate. Tectum psilate to
subpsilate or scabrate often punctate. On the basis of polar length,
2 distinct pollen types are recognized viz., Polygala arvensis
- type and Polygala erioptera - type. Department of Botany, University of Karachi, Karachi, Pakistan. |
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