Lepidium pinnatifidum

Lepidium pinnatifidum is a species of flowering plant in the mustard family known in English by the common name featherleaf pepperweed.

Distribution
The plant is native to Europe, Central Asia, and the Middle East.

It is known elsewhere as an introduced species, particularly as an invasive species in California.

Description
Lepidium pinnatifidum is an annual or perennial herb growing a single erect stem up to 0.5 m tall. The inflorescence is a raceme of tiny flowers made up mostly of millimeter-long sepals. There are usually no petals, but there occasionally appears a vestigial white petal. The fruit is a rounded, notched capsule only about 2 mm long.