A Taxonomic Study of Species Peltariaangustifolia DC. from Brassicaceae Family in Iraq

The research was aimed tostudy themorphological and anatomical characteristics as well habitatand geographical distributionof speciesPeltariaangustifolia DC., This study indicated that the plant specimens are perennial glabrous herbs, distinguished by presence of distinct basal cauline leaves, simple corymb inflorescence. Flowers perianth consists four obovate sepals, spathulate petals, with hexanderiaandroecium characterized dilated filaments from bases gynoecium ovary sessile stigma, fruit reticulate silicula, seeds ovate-elliptical faintly configuration. As for study, it included dimensions each root, stem, leaf, nature leaf venation, cuticular study. A distribution showed species is very rare in Iraq. It located mountain region exclusively Jabal Sinjar district.