The term 'purplish flower' can refer to two different flowers: the LILAC and the ASTER. The LILAC is a shrub with fragrant, purple flowers that bloom in the spring. It is native to Europe and Asia and is widely cultivated in temperate climates. The ASTER is a genus of flowering plants with daisy-like flowers that come in a variety of colors, including purple. Asters are native to North America and Europe and are popular garden plants.