Life Forms and Biological Spectrum of the Vegetation of Nasirabad Valley, Ajmer District, Rajasthan

The present study was taken up to evaluate the floristic composition of Nasirabad valley of Ajmer district, which topographically comprises of hillocks, sand dunes, sandy plains and cultivated fields. The vegetation which is edaphically controlled, shows much variations from the view point of species composition at various habitats. The vegetation of Nasirabad valley is actually an admixture of western sandy region and eastern part of the state of Rajasthan. In all 570 species of angiosperms have so far been collected from this area. Life forms and biological spectrum of the vegetation of Nasirabad valley, Ajmer has been prepared. Therophytes have been recorded to be the major segment of the vegetation.