Lapsana communis, the common nipplewort, is a species of flowering plant in the sunflower family. It is native to Europe and southwestern Asia. and widely naturalized in other regions including North America.
Nipplewort is an annual or perennial herbaceous plant growing to 1–1.2 m (3 ft 3 in–3 ft 11 in) tall, with erect, hairy branching stems and clear (not milky) sap. The leaves are alternate and spirally arranged; the larger leaves at the base of the flowering stem are often pinnate, with a large ...