SEARCH FOR SOLANUM

Solanum (in the Nightshade family) is one of the largest genera of flowering plants, with 1,500–2,000 species including tomato and potato. In New York City, there are three commonly encountered species: Solanum carolinense (Carolina Horsenettle, native), S. dulcamara (Bittersweet Nightshade, nonnative), and S. nigrum (Black Nightshade, a complex of native and non-native species). How many species of Solanum can you find?