Purslane, Portulaca oleracea, is sometimes called Pigweed. Purslane is an excellent salad and pot herb. A rich terrestrial source of vitamins, minerals and Omega -3 fatty acids, considered important for strengthening the immune system and preventing heart attack. Used medicinally to clear toxins, lower cholesterol, reduce fevers and heal rashes. The whole plant mashed makes a soothing poultice for sore eyes. Purslane is a native of inland Australia and adaptable to most soils but prefers and open, sunny position.