Brassica kaber

Common Name: 
wild mustard, charlock, field mustard
Scientific Name: 
Brassica kaber (DC.) L.C. Wheeler, syn. Brassica arvensis, Sinapis arvensis
Family Name: 
Brassicaceae (Cruciferae) - Mustard Family
Identification Notes
Life Cycle
introduced winter or summer annual, reproducing by seed
Stems
upright, branched above, bristly hairs near base (may be absent)
Stems of Wild Mustard
Stems of Wild Mustard
Leaves
alternate, oval to obovate; lower leaves petioled, irregularly lobed with toothed margins; upper leaves small, unlobed, clasping or with short petioled
Leaves of Wild Mustard
Leaves of Wild Mustard
Leaves of Wild Mustard
Flowers
4-petaled, yellow; terminal clusters
Flowers of Wild Mustard
Flowers of Wild Mustard
Seed Pods
silique, round, 4-sided beak at tip
Seedpods of Wild Mustard
Seedpods of Wild Mustard
Seedpods of Wild Mustard
Seedpods of Wild Mustard