wallflower

Wallflower has 3 syllables: wall · flow · er.

noun. Perennial of southern Europe having clusters of fragrant flowers of all colors especially yellow and orange; often naturalized on old walls or cliffs; sometimes placed in genus Erysimum.

noun. Any of numerous plants of the genus Erysimum having fragrant yellow or orange or brownish flowers.

noun. Remains on sidelines at social event.