Difference between revisions of "Caltha natans"
Reise 3: 284. 1776.
Illustrated
Treatment appears in FNA Volume 3.
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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=Floating or on moist mud, ponds, lakes, slow-moving rivers and streams | |habitat=Floating or on moist mud, ponds, lakes, slow-moving rivers and streams | ||
|elevation=25-1500 m | |elevation=25-1500 m | ||
| − | |distribution=Alta.;B.C.;Man.;N.W.T.;Ont.;Sask.;Yukon;Alaska;Minn.;Wis.;Eurasia. | + | |distribution=Alta.;B.C.;Man.;N.W.T.;Nunavut;Ont.;Sask.;Yukon;Alaska;Minn.;Wis.;Eurasia. |
|discussion=<p>Unlike the other species of <i>Caltha</i> in North America, <i>C. natans</i> is relatively invariable morphologically and has not been divided into segregate taxa.</p> | |discussion=<p>Unlike the other species of <i>Caltha</i> in North America, <i>C. natans</i> is relatively invariable morphologically and has not been divided into segregate taxa.</p> | ||
|tables= | |tables= | ||
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|habitat=Floating or on moist mud, ponds, lakes, slow-moving rivers and streams | |habitat=Floating or on moist mud, ponds, lakes, slow-moving rivers and streams | ||
|elevation=25-1500 m | |elevation=25-1500 m | ||
| − | |distribution=Alta.;B.C.;Man.;N.W.T.;Ont.;Sask.;Yukon;Alaska;Minn.;Wis.;Eurasia. | + | |distribution=Alta.;B.C.;Man.;N.W.T.;Nunavut;Ont.;Sask.;Yukon;Alaska;Minn.;Wis.;Eurasia. |
|reference=None | |reference=None | ||
|publication title=Reise | |publication title=Reise | ||
Latest revision as of 15:29, 24 September 2021
Stems leafy, floating or creeping, rooting at nodes. Basal leaves: blade ovate-reniform or cordate, largest 1-2.5 × 1-5 cm, margins nearly entire. Inflorescences 2-6-flowered. Flowers 8-13 mm diam.; sepals white or pinkish, 4-7(-8) mm. Follicles 20-55, widely spreading, sessile, oblong; bodies 3.2-6.5 × 1-2.5 mm; style and stigma curved, 0.1-0.4 mm. Seeds broadly elliptic, 0.5-0.8 mm. 2n=16, 32.
Phenology: Flowering late spring–summer (Jun–Aug).
Habitat: Floating or on moist mud, ponds, lakes, slow-moving rivers and streams
Elevation: 25-1500 m
Distribution
Alta., B.C., Man., N.W.T., Nunavut, Ont., Sask., Yukon, Alaska, Minn., Wis., Eurasia.
Discussion
Unlike the other species of Caltha in North America, C. natans is relatively invariable morphologically and has not been divided into segregate taxa.
Selected References
None.
Lower Taxa
None.