Difference between revisions of "Ranunculus pygmaeus"
Fl. Lapp., 157. 1812.
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GeoffLevin (talk | contribs) (Added Nunavut to distribution; treatment was published before Nunavut split from N.W.T.) |
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|habitat=Arctic and alpine meadows and slopes, usually around persistent snow patches | |habitat=Arctic and alpine meadows and slopes, usually around persistent snow patches | ||
|elevation=0-4000 m | |elevation=0-4000 m | ||
| − | |distribution=Greenland;Alta.;B.C.;Nfld. and Labr. (Nfld.);N.W.T.;Que.;Yukon;Alaska;Colo.;Idaho;Mont.;Utah;Wyo.;Europe (Spitsbergen). | + | |distribution=Greenland;Alta.;B.C.;Nfld. and Labr. (Nfld.);N.W.T.;Nunavut;Que.;Yukon;Alaska;Colo.;Idaho;Mont.;Utah;Wyo.;Europe (Spitsbergen). |
|discussion=<p><i>Ranunculus pygmaeus</i> var. langeana has been described as having deeply divided basal leaves and strongly elongate heads of achenes (at least 5 mm). These characteristics are not well correlated with one another, however, and the variety does not seem natural.</p> | |discussion=<p><i>Ranunculus pygmaeus</i> var. langeana has been described as having deeply divided basal leaves and strongly elongate heads of achenes (at least 5 mm). These characteristics are not well correlated with one another, however, and the variety does not seem natural.</p> | ||
|tables= | |tables= | ||
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|habitat=Arctic and alpine meadows and slopes, usually around persistent snow patches | |habitat=Arctic and alpine meadows and slopes, usually around persistent snow patches | ||
|elevation=0-4000 m | |elevation=0-4000 m | ||
| − | |distribution=Greenland;Alta.;B.C.;Nfld. and Labr. (Nfld.);N.W.T.;Que.;Yukon;Alaska;Colo.;Idaho;Mont.;Utah;Wyo.;Europe (Spitsbergen). | + | |distribution=Greenland;Alta.;B.C.;Nfld. and Labr. (Nfld.);N.W.T.;Nunavut;Que.;Yukon;Alaska;Colo.;Idaho;Mont.;Utah;Wyo.;Europe (Spitsbergen). |
|reference=None | |reference=None | ||
|publication title=Fl. Lapp., | |publication title=Fl. Lapp., | ||
Revision as of 16:13, 24 September 2021
Stems erect or ascending from short caudices, 0.6-3.5 cm (sometimes longer in fruit), each with 1-2 flowers. Roots slender, 0.1-0.6 mm thick. Basal leaves persistent, blades reniform to transversely elliptic or semicircular, 3-parted or -divided, 0.45-0.9 × 0.6-1.3 cm, at least lateral segments again lobed, base truncate or nearly cordate, margins entire, apex rounded to obtuse. Flowers: pedicels glabrous or pubescent; receptacle glabrous; sepals 2-4 × 1.2-1.6 mm, abaxially sparsely hairy, hairs colorless; petals 5, 1.2-3.5 × 1.1-2.8 mm; nectary scale glabrous. Heads of achenes nearly globose to cylindric, 2.5-7 × 2.5-5 mm; achenes 1-1.2 × 0.8-1.1 mm, glabrous; beak subulate, straight or curved, 0.3-0.7 mm. 2n = 16.
Phenology: Flowering summer (Jul–Sep).
Habitat: Arctic and alpine meadows and slopes, usually around persistent snow patches
Elevation: 0-4000 m
Distribution
Greenland, Alta., B.C., Nfld. and Labr. (Nfld.), N.W.T., Nunavut, Que., Yukon, Alaska, Colo., Idaho, Mont., Utah, Wyo., Europe (Spitsbergen).
Discussion
Ranunculus pygmaeus var. langeana has been described as having deeply divided basal leaves and strongly elongate heads of achenes (at least 5 mm). These characteristics are not well correlated with one another, however, and the variety does not seem natural.
Selected References
None.