familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Flammula
speciesRanunculus ambigens
Difference between revisions of "Ranunculus ambigens"
Bibl. Index N. Amer. Bot. 1: 16. 1878.
Endemic
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, rooting at proximal nodes, glabrous or sparsely hirsute. <b>Roots</b> not thickened basally, glabrous or somewhat canescent proximally. <b>Proximal</b> cauline leaf blades lanceolate, 5.9-12.2 × 1.1-2.4 cm, base rounded-obtuse to acuminate, margins denticulate, apex acuminate. <b>Inflorescences</b>: bracts linear or lanceolate. <b>Flowers</b>: receptacle glabrous; sepals 5, spreading or sometimes reflexed from base, 3-5 × 2-3 mm, glabrous; petals 5, 5-8 × 2-3 mm; nectary scales glabrous. <b>Heads</b> of achenes short-ovoid to depressed-globose, 5-7 × 4-8 mm; achenes 1.8 × 1.2-1.4 mm, glabrous; beak lanceolate, straight, 0.6-1.2 mm.</span><!-- |
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|publication year=1878 | |publication year=1878 | ||
|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_687.xml |
|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Ranunculus | |subgenus=Ranunculus subg. Ranunculus | ||
|section=Ranunculus sect. Flammula | |section=Ranunculus sect. Flammula | ||
|species=Ranunculus ambigens | |species=Ranunculus ambigens | ||
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Revision as of 13:47, 27 July 2019
Stems erect or ascending, rooting at proximal nodes, glabrous or sparsely hirsute. Roots not thickened basally, glabrous or somewhat canescent proximally. Proximal cauline leaf blades lanceolate, 5.9-12.2 × 1.1-2.4 cm, base rounded-obtuse to acuminate, margins denticulate, apex acuminate. Inflorescences: bracts linear or lanceolate. Flowers: receptacle glabrous; sepals 5, spreading or sometimes reflexed from base, 3-5 × 2-3 mm, glabrous; petals 5, 5-8 × 2-3 mm; nectary scales glabrous. Heads of achenes short-ovoid to depressed-globose, 5-7 × 4-8 mm; achenes 1.8 × 1.2-1.4 mm, glabrous; beak lanceolate, straight, 0.6-1.2 mm.
Phenology: Flowering late spring–summer (May–Aug).
Habitat: Creeks, ponds, ditches, marshes
Elevation: 0-700 m
Distribution
Ala., Conn., Del., D.C., Ga., Ill., Ind., Ky., La., Maine, Md., Mass., Mich., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., Tenn., Va., W.Va.
Discussion
The name Ranunculus obtusiusculus Rafinesque has been mistakenly used for R. ambigens.
Selected References
None.
Lower Taxa
None.