| Pak. J. Bot., 41(1): 1-5, 2009. | Back to Contents | ||||
|
|
Updated: 09-07-09 | ||||
POLLEN FLORA OF PAKISTAN -LXI. VIOLACEAE
ANJUM PERVEEN AND MUHAMMAD QAISER*
Abstract: Pollen morphology of 5 species of the family Violaceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains are usually radially symmetrical, isopolar, colporate, sub-prolate to prolate-spheroidal. Sexine slightly thicker or thinner than nexine. Tectum mostly densely punctate rarely psilate. On the basis of exine pattern two distinct pollen types viz., Viola pilosa–type and Viola stocksii-type are recognized
Department of Botany, University of Karachi, Karachi, Pakistan*Federal Urdu University of Arts, Science and Technology, Karachi, Pakistan |
|||||
|
|
|||||
| Back to Contents |
|
Back to Contents | |||
|
|
|||||