Ranunculus gmelinii

de Candolle
Syst. Nat. 1: 303. 1817.
Common names: Renoncule de Gmelin
Synonyms: Ranunculus gmelinii subsp. purshii (Richardson) Hultén Ranunculus gmelinii var. hookeri (D. Don) L. D. Benson Ranunculus gmelinii var. limosus (Nuttall) H. Hara Ranunculus gmelinii var. prolificus (Fernald) H. Hara Ranunculus purshii
Treatment appears in FNA Volume 3.

Stems prostrate or sometimes floating, glabrous or hirsute, rooting nodally. Leaves: basal leaves absent, cauline leaf blades reniform to circular, 3-parted, 0.6-6.5 × 1.1-9 cm, base cordate, segments again 1-3×-lobed to -dissected, margins entire or crenate, apex rounded to filiform. Flowers: receptacle sparsely hispid; sepals 4-5, spreading or reflexed from base, 2-5 × 2-4 mm, glabrous or sparsely pilose; petals 4-14, 3-7 × 2-5 mm; nectary scale variable, crescent-shaped, funnel-shaped, or flaplike; style 0.2-0.4 mm. Heads of achenes globose or ovoid, 3-8 × 3-7 mm; achenes 1-1.6 × 1-1.2 mm, glabrous; beak narrowly lanceolate or filiform, 0.4-0.8 mm. 2n = 16, 32, 64.


Phenology: Flowering spring–summer (May–Sep).
Habitat: Shallow water or drying mud, wet meadows, swamps, marshes, ponds, shores of rivers
Elevation: 0-2800 m

Distribution

V3 874-distribution-map.gif

Alta., B.C., Man., N.B., Nfld. and Labr. (Nfld.), N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, Alaska, Colo., Idaho, Ill., Iowa, Maine, Mich., Minn., Mont., Nev., N.Mex., N.Dak., Oreg., Utah, Wash., Wis., Wyo., Eurasia.

Discussion

Ranunculus gmelinii has been divided into varieties on the basis of indument and flower size. These characters are variable and poorly correlated with one another, however, and these varieties scarcely seem natural.

Selected References

None.

Lower Taxa

None.

... more about "Ranunculus gmelinii"
Alan T. Whittemore +
de Candolle +
Renoncule de Gmelin +
Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, Alaska +, Colo. +, Idaho +, Ill. +, Iowa +, Maine +, Mich. +, Minn. +, Mont. +, Nev. +, N.Mex. +, N.Dak. +, Oreg. +, Utah +, Wash. +, Wis. +, Wyo. +  and Eurasia. +
0-2800 m +
Shallow water or drying mud, wet meadows, swamps, marshes, ponds, shores of rivers +
Flowering spring–summer (May–Sep). +
Ranunculus gmelinii subsp. purshii +, Ranunculus gmelinii var. hookeri +, Ranunculus gmelinii var. limosus +, Ranunculus gmelinii var. prolificus +  and Ranunculus purshii +
Ranunculus gmelinii +
Ranunculus sect. Hecatonia +
species +