A native of Eurasia, and now found in the western United States.
An annual weed reproducing from seeds. Seeds germinate during the winter and early spring, and plants mature and produce seeds from late spring into mid-summer.
It can be a problem in many cultivated and row crops, as well as non-crop areas.
Mature plants are up to 2 feet tall, with numerous branches that are very leafy.
Leaves are up to 3.5 inches long, and are divided several times into many long, narrow sections. They sometimes are covered with soft white hairs.
Flowers are small and greenish yellow, and the seed pods that form are very long and diverging.
Characteristicts Important to Control:
An annual weed reproducing from seeds that germinate in winter.