peacock flower
/ˈpiːkɒk ˌflaʊə/noun
1Either of two trees of the family Caesalpiniaceae (Leguminosae) with showy flowers, widely planted in the tropics, the royal poinciana, Delonix regia (also royal peacock flower), and the pride of Barbados, Caesalpinia pulcherrima.
2Any of various other plants with showy flowers or inflorescences, or with clusters of stamens resembling a peacock's crest, including Spiloxene capensis (family Hypoxidaceae), native to southern Africa, and the peacock tiger-flower, Tigridia pavonia.
Origin
Late 19th century; earliest use found in William Miller (c1831–1898). From peacock + flower.