Lapsana communis L.

• Authority

  Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

• Family

  Asteraceae

• Scientific Name

  Lapsana communis L.

• Description

  Species Description - Hirsute to subglabrous weed 1.5–15 dm; lvs thin, petiolate, with ovate to subrotund, obtuse or rounded, toothed or occasionally basally lyrate blade 2.5–10 × 2–7 cm, progressively less petiolate and eventually narrowed upwards; heads naked-pedunculate, several or many in a corymbiform or paniculiform infl; invol 5–8 mm, with 8 inner bracts; fls 8–15; achenes 3–5 mm, glabrous, curved; 2n=12, 14, 16. Woods, fields, and waste ground; native of Eurasia, now found throughout our range. June–Sept.

• Common Names

  nipplewort