Weed
tumbleweed mustard, tall hedge-mustard, tall tumblemustard, Jim Hill mustard
True seedTrue seed:
A mature fertilized ovule consisting of an embryo, with or without and external food reserve (e.g., endosperm) enclosed by the testa.
Rectangular
Brown with green markings in the grooves
Shiny; rough with tubercles
Longitudinal groove present between lobes.
Seeds are compressed rectangular with one surface flat and the other humped. Margins of cotyledonsCotyledon:
The modified storage leaf or pair of leaves of an embryo and seedling (see primary leaf).
marked with a green line. Color is light brownish green. Surface is relatively smooth with some undulations. Seeds somewhat smaller than S. officinale.
Not listed
Not included
Brassicaceae
Sisymbrium altissimum L.
Norta altissima (L.) Britton
