Tumble Mustard
(Sisymbrium altissimum L.)
Brassicaceae (Mustard Family)
mature plants ▲▼
seed pods ▲
stem leaf ▲
flowering stem ▲
flowering stems with elongated fruit ▲▼
Tumble Mustard: (pp. 218-219, Weeds of the Great Plains; mentioned on pp. 184-185, Weeds of the Northeast)
· annual or winter annual weed that grows 2-5’ tall
· leaves large, deeply divided into slender lobes
· flowers white, followed by long, slender stick-like seed pods 2-4” long
· found in small grains & non-crop areas
· stems break off after seeds produced, so plant “tumbles” with wind