Erysimum cheiranthoides

Common Name: 
wallflower mustard, worm-seed mustard, worm-seed wallflower, treacle mustard
Scientific Name: 
Erysimum cheiranthoides L.
Family Name: 
Brassicaceae (Cruciferae) - Mustard Family
Identification Notes
Life Cycle
introduced annual, reproducing by seed
upright, usually unbranched, hairy
Stems of Wallflower Mustard
Stems of Wallflower Mustard
alternate, linear to oblanceolate, entire or slightly to very shallow irregularly toothed
4-petaled, bright yellow; terminal raceme, dense, elongating with maturity
Flowers of Wallflower Mustard
Flowers of Wallflower Mustard
Seed Pods
silique, thin, 4-angled, upright and ascending, held away from stem on stalks
Seedpods of Wallflower Mustard