| horse nettle | (n) coarse prickly weed having pale yellow flowers and yellow berrylike fruit; common throughout southern and eastern United States, Syn. bull nettle, ball nightshade, Solanum carolinense, ball nettle |
| trompillo | (n) weedy nightshade with silvery foliage and violet or blue or white flowers; roundish berry widely used to curdle milk; central United States to South America, Syn. silverleaf nightshade, prairie berry, silver-leaved nightshade, Solanum elaeagnifolium, white horse nettle, purple nightshade, silver-leaved nettle |