Palynological studies of family Euphorbiaceae from kaghan valley, Mansehra, N.W.F.P., Pakistan

ABSTRACT

Palynological study of 04 species belonging to 04 genera of the family Euphorbiaceae from Kaghan Valley was conducted. Pollen grains of Euphorbiaceae are suboblate to prolate or prolate spheroidal to subprolate, 3-colporate, amb circular, circular-lobate or inter-subangular, colpi varying in length, in width and in thickness of margin, ora mostly not crassimarginate, transversally parallel, but some of them, ora transversally elliptic or circular, rarely crassimarginate, exine 1-3 micro m thick, tectum psilate or with scabrate, verrucate, gemmate or baculate processes, sexine mostly granulate or finely reticulate, with OL- or croton-pattern, nexine as thick as sexine. Size of grain varies from 15 to 60 micro m