Threatened plant species of Ajmer district with special reference to Todgarh - Raoli wildlife sanctuary of Rajasthan

Abstract

A number of records are available about the Ajmer district (Central Aravali) vegetation. Hhowever the present checklist reflects few species which are less investigated from the view point of biodiversity conservation central Aravali region (Ajmer-area) is located in the middle of Rajasthan. The region is bordered by Nagaur, Pali in west, Udaipur, Bhilwara and Chittorgarh in the south, Tonk, Bundi in the east and Jaipur in the north direction. The Characteristic feature of the topography of the central Aravali is mountains and valleys, interrupted by each other. At the same time, the western slopes of the hills are becoming a transition zone (ecotone) between the hills and the great Indian desert, Thar. This narrow belt of the central Aravali with unique geographical macroclimatic and microclimatic conditions as well as pedological variations favours a variety of flora and fauna, unique to the region. The most important species explored are Anogeissius sericea var. nummularia King ex Duthie, Ziziphus truncata Blatt. & Hallb. , Tephrosia falciformis Ramaswamy, Tecomella undulata (Sm.) Seem and Citrullus colocynthis (L.) Schard.