Shami tree ("Prosopis cineraria"), found in desert areas of the country, called in local dialect as "Ajmer" or "jaant" is called Kalpavriksha. In Rajasthan desert area its roots go deep to a depth of . This checks the erosion of the sandy soil of the desert. For this reason the tree stays green even during drought conditions. People of Rajasthan hence regard this tree as Kalpavriksha, because at the time of drought when no grass or fodder is found anywhere the animals are able to sustain by eating its green leaves.