prairie berry
n 1: 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: {trompillo},
{white horse nettle}, {prairie berry}, {purple nightshade},
{silverleaf nightshade}, {silver-leaved nightshade},
{silver-leaved nettle}, {Solanum elaeagnifolium}]