familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Epirotes
speciesRanunculus adoneus
Difference between revisions of "Ranunculus adoneus"
Proc. Acad. Nat. Sci. Philadelphia 15: 56. 1863.
Endemic
Synonyms: Variety (S. Watson) L. D. BensonVariety (A. Gray) C. L. HitchcockVariety (S. Watson) C. L. Hitchcock
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 from large caudices, 9-25 cm, glabrous, each with 1-3 flowers. <b>Roots</b> slender, 0.8-1.4 mm thick. <b>Basal</b> leaves persistent, blades circular to reniform in outline, 2-3×-dissected into linear segments, 0.9-2.5 × 1.1-2.8 cm, base obtuse, margins entire, apices of segments narrowly rounded to acute. <b>Flowers</b>: pedicels glabrous; receptacle glabrous; sepals 4-11 × 3-7 mm, abaxially sparsely pilose, hairs colorless; petals 5-10, 8-15 × 8-19 mm; nectary scale glabrous. <b>Heads</b> of achenes ovoid, 6-12 × 5-9 mm; achenes 1.8-2.4 × 1-1.4 mm, glabrous or nearly so; beak subulate, straight, 1.2-1.7 mm. 2 n = 16.</span><!-- |
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|special status=Endemic | |special status=Endemic | ||
| − | |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_1141.xml |
|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Ranunculus | |subgenus=Ranunculus subg. Ranunculus | ||
|section=Ranunculus sect. Epirotes | |section=Ranunculus sect. Epirotes | ||
|species=Ranunculus adoneus | |species=Ranunculus adoneus | ||
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Revision as of 13:32, 27 July 2019
Stems erect from large caudices, 9-25 cm, glabrous, each with 1-3 flowers. Roots slender, 0.8-1.4 mm thick. Basal leaves persistent, blades circular to reniform in outline, 2-3×-dissected into linear segments, 0.9-2.5 × 1.1-2.8 cm, base obtuse, margins entire, apices of segments narrowly rounded to acute. Flowers: pedicels glabrous; receptacle glabrous; sepals 4-11 × 3-7 mm, abaxially sparsely pilose, hairs colorless; petals 5-10, 8-15 × 8-19 mm; nectary scale glabrous. Heads of achenes ovoid, 6-12 × 5-9 mm; achenes 1.8-2.4 × 1-1.4 mm, glabrous or nearly so; beak subulate, straight, 1.2-1.7 mm. 2 n = 16.
Habitat: Spring-summer (May–Sep). Alpine and subalpine meadows, usually around melting snowbanks
Elevation: 2500-4000 m
Distribution
Colo., Idaho, Mont., Nev., Utah, Wyo.
Discussion
Most collections of Ranunculus adoneus from Colorado, including the type specimen, tend to be small, with narrow leaf segments (only 0.5-1 mm wide) and large flowers. The more widespread form, with leaf segments 1-2 mm wide and more variable flowers, has been called R. adoneus var. alpinus. The leaf and flower characteristics are very poorly correlated, however, and specimens referable to var. alpinus vary greatly in stature and flower size, so the two forms scarcely merit formal recognition.
Selected References
None.
Lower Taxa
None.