Ranunculus gmelinii DC.

• 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 gmelinii DC.

• Description

  Species Description - Much like no. 21 [Ranunculus flabellaris Raf.]; segments of the submersed lvs mostly 2–4 mm wide; emersed lvs pentagonal, the principal segments again lobed and crenately toothed; sep 4–6 mm; pet mostly 4–8 mm; achenes nearly or quite smooth on the sides, the margins rounded but not tumid or conspicuously corky; beak 0.4–0.7 mm; 2n=16, 32. Shallow water and muddy shores, seldom wholly emersed; boreal Amer. and Asia, s. to Me., Mich., Io., N.D., and Colo. July, Aug. Our plants as here described are mostly glabrous or nearly so and represent the var. hookeri (D. Don) L. Benson, widespread in Amer. The var. gmelinii, tending to be hirsute, and with smaller fls (sep 2.5–3 mm, pet 3.5–4 mm) occurs chiefly in Alas. and nw. Can., but extends to n. Minn.

• Common Names

  yellow water-crowfoot