nipplewort(redirected from Lapsana)
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An annual plant (Lapsana communis) in the composite family, native to Eurasia and naturalized in North America, having small yellow flower heads.
[From its former use in folk medicine to treat breast tumors.]
(Plants) an annual Eurasian plant, Lapsana communis, with pointed oval leaves and small yellow flower heads: family Asteraceae (composites)