familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Epirotes
speciesRanunculus pygmaeus
Difference between revisions of "Ranunculus pygmaeus"
Fl. Lapp., 157. 1812.
Synonyms: Variety Nathorst
Treatment appears in FNA Volume 3.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>erect or ascending from short caudices, 0.6-3.5 cm (sometimes longer in fruit), each with 1-2 flowers. <b>Roots</b> slender, 0.1-0.6 mm thick. <b>Basal</b> 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. <b>Flowers</b>: 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. <b>Heads</b> 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. <b>2n</b> = 16.</span><!-- |
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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.;N.W.T.;Que.;Yukon;Alaska;Colo.;Idaho;Mont.;Utah;Wyo.;Europe (Spitsbergen) | + | |distribution=Greenland;Alta.;B.C.;Nfld.;N.W.T.;Que.;Yukon;Alaska;Colo.;Idaho;Mont.;Utah;Wyo.;Europe (Spitsbergen). |
|discussion=<p>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.</p> | |discussion=<p>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.</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.;N.W.T.;Que.;Yukon;Alaska;Colo.;Idaho;Mont.;Utah;Wyo.;Europe (Spitsbergen) | + | |distribution=Greenland;Alta.;B.C.;Nfld.;N.W.T.;Que.;Yukon;Alaska;Colo.;Idaho;Mont.;Utah;Wyo.;Europe (Spitsbergen). |
|reference=None | |reference=None | ||
|publication title=Fl. Lapp., | |publication title=Fl. Lapp., | ||
|publication year=1812 | |publication year=1812 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna- | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V3/V3_185.xml |
|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Ranunculus | |subgenus=Ranunculus subg. Ranunculus | ||
|section=Ranunculus sect. Epirotes | |section=Ranunculus sect. Epirotes | ||
|species=Ranunculus pygmaeus | |species=Ranunculus pygmaeus | ||
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Revision as of 13:35, 27 July 2019
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., N.W.T., 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.
Lower Taxa
None.