SilverLeaf Nightshade (Solanum elaeagnifolium) is a perennial plant usually growing 8" to " tall It is easily recognized by its silver green wavy leaves and stem color, and violet colored, star shaped flowers with protruding yellow stamens Other common names for SilverLeaf Nightshade are Prairie Berry, SilverLeaf Nettle, and SatanWeeds in South Australia There are very few places left untouched by weeds in South Australia The State has around 1500 exotic plants that are classified as weeds, and on average about six new exotic plant species become naturalised in SA every year Silver Leaf Nightshade Agricultural weeds of concern include Annual ryegrass (LoliumEtymology Solanum is from the Latin solor, to comfort or relieve, and anum, pertaining to, a reference to the narcotic properties of some species; Nsw Weedwise Silver leaf nightshade australia