The Pakistanian Acorus calamus (Fam.: Araceae) is locally found (Nasir, 1978) in Chitral, Peshawar, Jhelum valley, Thalawan valley, Mandi and Kashmir. The common name of A. calamus is sweet flag. It is found in marshy places and along the river banks from 600-2000m. The rootstock (modified stem) commonly called as rhizome, is medicinal and yields an essential oil used in the manufacture of soap...
