Family: Nightshade (or potato) (Solanaceae)
Size: To 1 in. wide
Other names: White horse nettle, silver horse nettle, bull nettle, desert nightshade, trompillo
Notes: 15 species of Solanum in Arizona.
Silverleaf nightshade entry in the online edition of An Illustrated Guide to Arizona Weeds, Kittie F. Parker, University of Arizona Press.
This plant is found on the Appleton-Whittell Research Ranch Working Check list of flora.
Photos of this plant are found on the CalPhoto plant pictures website.