Ranunculus acris L.

• Authority

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

• Family

  Ranunculaceae

• Scientific Name

  Ranunculus acris L.

• Description

  Species Description - Spreading-hairy perennial, slender, eventually to 1 m, leafy mostly below the middle, the long branches with few, widely separated, much reduced lvs; lvs reniform, deeply 3-cleft, the broadly cuneate-obovate segments incised or cleft into oblong or linear lobes; pet broadly obovate, often retuse, 8–16 mm, twice as long as the sep; achenes in a subglobose head, flat, margined, broadly and obliquely obovate, 2–3 mm, the beak 0.4–1 mm; 2n=14, 28, 29, 32. Native of Europe, widely introduced in N. Amer. as a weed in fields and meadows and along roadsides. May–Sept. Double-flowered forms occur.

• Common Names

  common buttercup, meadow-buttercup, blister-plant