Field Pennycress

Field Pennycress

(Thlaspi arvense L.)

Brassicaceae Family

seedling ▲

young, mature plants ▲ ▼

stem and leaves ▲

flowers ▲

mature plant ▲

plants with fruit ▲ ▼

Field Pennycress:

cool season annual/winter annual with first year growth of oval leaves with rounded tips and distinct petiole
second year stalk grows 6-24" tall and produce white flowers followed by flat, rouned pods (siliques) with notch at tip
stem has bad odor if bruised
can be toxic to livestock in sufficient amounts are consumed
found in many cool season crops--serious pest in small grains
native perforated pennycress is similar, but much smaller--only 4-8" tall
commonly found in open and warm-season turf