Wild Mustard, Charlock

Sinapis arvensis L.

[formerly Brassica kaber (DC.) L.C. Wheeler]

Brassicaceae  (Mustard Family)

▲  population of mature, flowering plants alongside a field in North Dakota

▲▼mature, flowering plants

▲ ▼   mature, flowering plant

 

▲  flowers

▲ flowers and fruit

▲ leaves and fruit

▲ seedling

Wild Mustard:  

·         winter annual with long, lobed, rough-textured leaves

·         grows 6” – 24” tall

·         flowers small, yellow in terminal spikes

 

·         produces 1-1.5” long pods that stand out from stalk, and abundant seeds

 

·         common in winter annual crops; may harbor insect pests of these crops