PJB-2004-1
POLLEN FLORA OF PAKISTAN-XXXVII. TAMARICACEAE
MOHAMMAD QAISER AND ANJUM PERVEEN
Abstract
Pollen morphology of 35 taxa of the family Tamaricaceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains usually radially symmetrical, isopolar prolate-subprolate, rarely prolate-spheroidal, colpate Sexine thinner or thicker than nexine. Tectum reticulate to reticulate – rugulate or foveolate or areolate. On the basis of tectum and relative thickness of sexine and nexine three distinct pollen types are recognized viz., Myricaria squamosa - type, Reaumuria alternifolia -- type and Tamarix aphylla – type. Pollen of the genus Tamarix are divided two groups viz., columellae present inside the luminae and luminae without columellae. Playnological data has been useful at generic and specific level.
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