the world > plants > particular plants > cultivated or valued plants > particular cultivated or ornamental plants > cultivated or ornamental trees and shrubs > [noun] > lilac and allied trees > flower of
prince's feather1818
lilac-blossom1891
1891 O. WildePicture of Dorian Gray ii. 30 Lord Henry..found Dorian Gray burying his face in the great cool lilac-blossoms.
1974 A. GoddardVienna Pursuitiii. 115 Some lilac blossom had been blown..across the pavement.