PJB-1994-51
Micromorphological studies of seven specIes of the genus Medicago L., (Fabaceae) from Pakistan
S.Z. Husain, Khadija Aziz, Saleha Tahir Syeda and Nusrat Jahan
Abstract
Using Scanning Electron Microscope a micromorphological study of leaf and seed coat surfaces of all the 7 species in the genus Medicago L, from Pakistan was carried out. The seed coat sculpturing revealed 3 main surface patterns viz., verrucate, papillate and rumeniate-tugose. Leaf epidermis was found to be covered with waxy material in all taxa, exhibiting verrucate to colliculate pattern with irregular arrangement of cells. Leaf trichomes are unicellular with granulate surfaces. A key based on micromorphological characters observed has been proposed to identify the species.
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