Nicandra is a monotypic genus of flowering plants in the nightshade family containing the single species Nicandra physalodes. It is known by the common names apple-of-Peru and shoo-fly plant. It is thought originally to have been native to Peru (known elsewhere as an introduced species and sometimes as a weed) and is found nowadays as a ruderal species in tropical, subtropical and, to a lesser extent, temperate areas all over the world. It has also long..