claim: Solanum contains plants with ornamental roses.
evidence: Solanum is a large and diverse genus of flowering plants , which include two food crops of high economic importance , the potato and the tomato .. genus. genus. potato. potato. tomato. tomato. It also contains the nightshades and horse nettles , as well as numerous plants cultivated for their ornamental flowers and fruit .. Solanum species show a wide range of growing habits , such as annual and perennials , vines , subshrubs , shrubs , and small trees .. annual. annual plant. species. species. Many formerly independent genera like Lycopersicon -LRB- the tomatoes -RRB- and Cyphomandra are now included in Solanum as subgenera or sections .. Cyphomandra. Cyphomandra. Lycopersicon. Lycopersicon. subgenera. subgenera. Thus , the genus today contains roughly 1,500 -- 2,000 species .. genus. genus. species. species