wallflower

Any of various plants of the genus Erysimum of the mustard family, having fragrant yellow, orange, or brownish flowers, especially the widely cultivated species E. cheiri.

One who does not participate in the activity at a social event because of shyness or unpopularity.

A security, company, or industry that is out of favor with investors.

An old favorite garden flower and pot-plant, Cheiranthus Cheiri, native in southern Europe, where it grows on old walls, cliffs, and the sides of quarries.

A man or woman who, at a ball or party, sits by the wall, or looks on without dancing, either from choice or from being unable to dance or to obtain a partner.

A perennial, cruciferous plant (Cheiranthus Cheiri), with sweet-scented flowers varying in color from yellow to orange and deep red. In Europe it very common on old walls.

A lady at a ball, who, either from choice, or because not asked to dance, remains a spectator.

In Australia, the desert poison bush (Gastrolobium grandiflorum); — called also native wallflower.

Several short-lived herbs or shrubs of the Erysimum genus with bright yellow to red flowers.

A person who is socially awkward, especially one who does not dance at a party due to shyness.