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Abstract

Pollen morphology of 18 species belonging to 10 genera of the family Amaranthaceae has been investigated using light microscope and scanning electron microscope. It is stenopalynous in nature. Pollen grains mostly oblate-spheroidal, pantoporate, +/- circular, pores small or large, nonoperculate, or operculate, with rounded or star-like operculum, pore plate +/- scabrate - spinulose. Tectum sparsely to densely scabrate, often spinulose. On the basis of exine ornamentation 2 distinct pollen types viz., Amaranthus viridus type and Gomphrena celosioides - type are recognized.

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