The Lilac is a large shrub which bears large stems of white, pale pink or more generally purple flowers. The flowers grow in large clusters, and have a strong and fragrant scent.
A pale purple colour is generally known as 'lilac' after the bush.
... Fitzgerald, John Held, Jr.[?], and Anita Loos[?] popularized the flapper look and lifestyle through their works, and flappers came to be seen as attractive young women ...