Difference between revisions of "Caltha leptosepala"
Syst. Nat. 1: 310. 1817.
EndemicIllustrated
Synonyms: Caltha biflora de Candolle Caltha biflora subsp. howellii (Huth) Abrams Caltha biflora var. rotundifolia (Huth) C. L. Hitchcock Caltha howellii (de Candolle) W. Weber Caltha leptosepala var. rotundifolia Huth Caltha leptosepala var. sulfurea C. L. Hitchcock Caltha uniflora Psychropila leptosepala
Treatment appears in FNA Volume 3.
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|name=Caltha biflora | |name=Caltha biflora | ||
|authority=de Candolle | |authority=de Candolle | ||
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|name=Caltha biflora subsp. howellii | |name=Caltha biflora subsp. howellii | ||
|authority=(Huth) Abrams | |authority=(Huth) Abrams | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=subspecies |
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|name=Caltha biflora var. rotundifolia | |name=Caltha biflora var. rotundifolia | ||
|authority=(Huth) C. L. Hitchcock | |authority=(Huth) C. L. Hitchcock | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
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|name=Caltha howellii | |name=Caltha howellii | ||
|authority=(de Candolle) W. Weber | |authority=(de Candolle) W. Weber | ||
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| + | }} {{Treatment/ID/Synonym | ||
|name=Caltha leptosepala var. rotundifolia | |name=Caltha leptosepala var. rotundifolia | ||
|authority=Huth | |authority=Huth | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
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|name=Caltha leptosepala var. sulfurea | |name=Caltha leptosepala var. sulfurea | ||
|authority=C. L. Hitchcock | |authority=C. L. Hitchcock | ||
| − | }}{{Treatment/ID/Synonym | + | |rank=variety |
| + | }} {{Treatment/ID/Synonym | ||
|name=Caltha uniflora | |name=Caltha uniflora | ||
| − | |authority= | + | |authority= |
| − | }}{{Treatment/ID/Synonym | + | |rank=species |
| + | }} {{Treatment/ID/Synonym | ||
|name=Psychropila leptosepala | |name=Psychropila leptosepala | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Ranunculaceae;Caltha;Caltha leptosepala | |hierarchy=Ranunculaceae;Caltha;Caltha leptosepala | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>leafless or with 1 leaf, erect. <b>Basal</b> leaves: blade oblong-ovate to orbiculate-reniform, largest 1.5-11.5(-15) × 1-13cm, margins entire or crenate to dentate. <b>Inflorescences</b> 1-2(-4)-flowered. <b>Flowers</b> 15-40 mm diam.; sepals white to yellow (abaxially bluish), 8.5-23 mm. <b>Follicles</b> 4-15, spreading, short-stipitate or sessile, linear-oblong; bodies 10-20 × 3-4.5 mm; style and stigma straight or curved, 0.5-1.8 mm. <b>Seeds</b> elliptic, 1.9-2.5 mm. <b>2n</b>=48,96.</span><!-- |
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|elevation=750-3900 m | |elevation=750-3900 m | ||
|distribution=Alta.;B.C.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo. | |distribution=Alta.;B.C.;Yukon;Alaska;Ariz.;Calif.;Colo.;Idaho;Mont.;Nev.;N.Mex.;Oreg.;Utah;Wash.;Wyo. | ||
| − | |discussion=<p>Caltha leptosepala is morphologically complex, and a number of segregate taxa have been described. Plants are most commonly assigned to two species, however. Caltha leptosepala in strict sense is found in the Rocky Mountains of Arizona and New Mexico north to Alaska and is characterized by longer-than-broad leaves with small, nonoverlapping basal lobes, solitary-flowered inflorescences, and sessile follicles. Plants in the Coast Ranges of central California north to the coastal islands of southern Alaska, distinguished by broader-than-long leaves with large, overlapping basal lobes, 2-flowered inflorescences, and stipitate follicles, have been called C.biflora. My comparison of specimens from the Rocky Mountains and the Coast Ranges indicated that no clear distinction could be made (table 1). While plants are often distinctive in the southern part of their range, a continuous intergradation between the two extremes exists over much of their range.</p> | + | |discussion=<p><i>Caltha leptosepala</i> is morphologically complex, and a number of segregate taxa have been described. Plants are most commonly assigned to two species, however. <i>Caltha leptosepala</i> in strict sense is found in the Rocky Mountains of Arizona and New Mexico north to Alaska and is characterized by longer-than-broad leaves with small, nonoverlapping basal lobes, solitary-flowered inflorescences, and sessile follicles. Plants in the Coast Ranges of central California north to the coastal islands of southern Alaska, distinguished by broader-than-long leaves with large, overlapping basal lobes, 2-flowered inflorescences, and stipitate follicles, have been called C.biflora. My comparison of specimens from the Rocky Mountains and the Coast Ranges indicated that no clear distinction could be made (table 1). While plants are often distinctive in the southern part of their range, a continuous intergradation between the two extremes exists over much of their range.</p> |
|tables={{Caltha leptosepala Table 1}} | |tables={{Caltha leptosepala Table 1}} | ||
|references={{Treatment/Reference | |references={{Treatment/Reference | ||
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name=Caltha leptosepala | name=Caltha leptosepala | ||
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|publication title=Syst. Nat. | |publication title=Syst. Nat. | ||
|publication year=1817 | |publication year=1817 | ||
| − | |special status=Endemic; | + | |special status=Endemic;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_893.xml |
|genus=Caltha | |genus=Caltha | ||
|species=Caltha leptosepala | |species=Caltha leptosepala | ||
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Latest revision as of 21:52, 5 November 2020
Stems leafless or with 1 leaf, erect. Basal leaves: blade oblong-ovate to orbiculate-reniform, largest 1.5-11.5(-15) × 1-13cm, margins entire or crenate to dentate. Inflorescences 1-2(-4)-flowered. Flowers 15-40 mm diam.; sepals white to yellow (abaxially bluish), 8.5-23 mm. Follicles 4-15, spreading, short-stipitate or sessile, linear-oblong; bodies 10-20 × 3-4.5 mm; style and stigma straight or curved, 0.5-1.8 mm. Seeds elliptic, 1.9-2.5 mm. 2n=48,96.
Phenology: Flowering late spring–summer (Jun–Aug).
Habitat: Open, wet, subalpine and alpine marshes, wet seepages
Elevation: 750-3900 m
Distribution
Alta., B.C., Yukon, Alaska, Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., Utah, Wash., Wyo.
Discussion
Caltha leptosepala is morphologically complex, and a number of segregate taxa have been described. Plants are most commonly assigned to two species, however. Caltha leptosepala in strict sense is found in the Rocky Mountains of Arizona and New Mexico north to Alaska and is characterized by longer-than-broad leaves with small, nonoverlapping basal lobes, solitary-flowered inflorescences, and sessile follicles. Plants in the Coast Ranges of central California north to the coastal islands of southern Alaska, distinguished by broader-than-long leaves with large, overlapping basal lobes, 2-flowered inflorescences, and stipitate follicles, have been called C.biflora. My comparison of specimens from the Rocky Mountains and the Coast Ranges indicated that no clear distinction could be made (table 1). While plants are often distinctive in the southern part of their range, a continuous intergradation between the two extremes exists over much of their range.
Tables
Table 1. Morphologic comparison of Caltha leptosepala from the Rocky Mountains and Coast Ranges.
| Rocky Mountains* C. leptosepala in strict sense | Coast Ranges** C. bicolor in strict sense | |
|---|---|---|
| Leaf (L:W ratio) | 0.8-2.2(-3.1) | 0.4-1.5 |
| Flower number | 2-4 | 1-4 |
| Stipe (mm) | 0-3.2 | 0-2.7 |
*Including Alaska, Arizona, Colorado, Idaho, and Montana.
**Including British Columbia, California, Oregon, and Washington.
Selected References
Lower Taxa
None.