1 a southern European plant of the cabbage family, with fragrant yellow, orange-red, dark red, or brown flowers, cultivated for its early spring blooming.
Cheiranthus cheiri, family Brassicaceae.
2 informala person who has no one to dance with or who feels shy, awkward, or excluded at a party:
I felt like a miserable wallflower at a boisterous party.
EnglishOxford New American Dictionary
