Solanum elaeagnifolium

Solanum elaeagnifolium, the silverleaf nightshade or silver-leaved nightshade, is a species of plant in the nightshade family native to North and South America. It is common in parts of southwestern USA, and sometimes weed of western North America. Other common names include prairie berry, silverleaf nettle, white horsenettle or silver nightshade. In South Africa it is known as silver-leaf bitter-apple or satansbos ("Satan's bush" in Afrikaans). More ambiguous names include "bull-nettle", "horsenettle" and the Spanish "trompillo". Solanum elaeagnifolium was described by A. J. Cavanilles. The plant described under the same name by W. Herbert and C. L. Willdenow based on E.G. von Steudel is Solanum aethiopicum....read more on Wikipedia.