Showy-flowered shrub is a term used to describe two different plants, Oleander and Chinese Hibiscus. Oleander is an evergreen shrub with fragrant flowers that come in a variety of colors, including white, pink, yellow, and red. It is native to the Mediterranean region and is widely cultivated in warm climates. Chinese Hibiscus is a tropical shrub with large, showy flowers that come in a variety of colors, including red, yellow, orange, and pink. It is native to East Asia and is widely cultivated in tropical and subtropical regions.