Difference between revisions of "Ranunculus pusillus"
in J. Lamarck et al., Encycl. 6: 99. 1804.
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}}{{Treatment/ID/Special_status | }}{{Treatment/ID/Special_status | ||
|code=F | |code=F | ||
− | |label= | + | |label=Illustrated |
}} | }} | ||
|basionyms= | |basionyms= | ||
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|name=Ranunculus oblongifolius | |name=Ranunculus oblongifolius | ||
|authority=Elliott | |authority=Elliott | ||
+ | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Ranunculus pusillus var. angustifolius | |name=Ranunculus pusillus var. angustifolius | ||
|authority=(Engelmann ex Engelmann & A. Gray) L. D. Benson | |authority=(Engelmann ex Engelmann & A. Gray) L. D. Benson | ||
+ | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Ranunculus tener | |name=Ranunculus tener | ||
− | |authority= | + | |authority= |
+ | |rank=species | ||
}} | }} | ||
|hierarchy=Ranunculaceae;Ranunculus;Ranunculus subg. Ranunculus;Ranunculus sect. Flammula;Ranunculus pusillus | |hierarchy=Ranunculaceae;Ranunculus;Ranunculus subg. Ranunculus;Ranunculus sect. Flammula;Ranunculus pusillus | ||
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|elevation=0-300 m | |elevation=0-300 m | ||
|distribution=Ala.;Ark.;Calif.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Ky.;La.;Md.;Miss.;Mo.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;S.C.;Tenn.;Tex.;Va.;W.Va. | |distribution=Ala.;Ark.;Calif.;Del.;D.C.;Fla.;Ga.;Ill.;Ind.;Ky.;La.;Md.;Miss.;Mo.;N.J.;N.Y.;N.C.;Ohio;Okla.;Pa.;S.C.;Tenn.;Tex.;Va.;W.Va. | ||
− | |discussion=<p>In most specimens of <i>Ranunculus pusillus</i>, the heads of achenes are hemispheric to short-ovate and only 2-3 mm. Occasional plants with cylindric heads of achenes 4-6 mm from the Gulf Coast states have been called <i>R. pusillus</i> < | + | |discussion=<p>In most specimens of <i>Ranunculus pusillus</i>, the heads of achenes are hemispheric to short-ovate and only 2-3 mm. Occasional plants with cylindric heads of achenes 4-6 mm from the Gulf Coast states have been called <i>R. pusillus</i> <i></i>var.<i> angustifolius</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Ranunculus pusillus | name=Ranunculus pusillus | ||
− | |||
|authority=Poiret in J. Lamarck et al. | |authority=Poiret in J. Lamarck et al. | ||
|rank=species | |rank=species | ||
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|publication title=in J. Lamarck et al., Encycl. | |publication title=in J. Lamarck et al., Encycl. | ||
|publication year=1804 | |publication year=1804 | ||
− | |special status=Endemic; | + | |special status=Endemic;Illustrated |
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V3/V3_337.xml |
|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Ranunculus | |subgenus=Ranunculus subg. Ranunculus |
Revision as of 22:27, 16 December 2019
Stems erect or ascending, rooting at most proximal nodes, glabrous. Roots not thickened basally, glabrous. Proximal cauline leaf blades ovate or lanceolate, 1.2-4.2 × 0.5-1.2 cm, base acute to truncate, margins entire or denticulate, apex acuminate to rounded. Inflorescences: bracts linear to lanceolate or oblanceolate. Flowers: receptacle glabrous; sepals 4-5, spreading or reflexed from base, 1.5-3 × 1-1.5 mm, glabrous or sparsely hirsute; petals 1-3, 1.5-2 × 0.5-1 mm; nectary scales glabrous. Heads of achenes hemispheric to cylindric, 2-8 × 2-3 mm; achenes 1-1.2 × 0.6-0.8 mm, ± tuberculate, glabrous; beak absent or nearly so, to 0.1 mm.
Phenology: Flowering spring (Apr–Jun).
Habitat: Ditches, ponds, and swamps
Elevation: 0-300 m
Distribution
![V3 337-distribution-map.gif](/w/images/d/d2/V3_337-distribution-map.gif)
Ala., Ark., Calif., Del., D.C., Fla., Ga., Ill., Ind., Ky., La., Md., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., S.C., Tenn., Tex., Va., W.Va.
Discussion
In most specimens of Ranunculus pusillus, the heads of achenes are hemispheric to short-ovate and only 2-3 mm. Occasional plants with cylindric heads of achenes 4-6 mm from the Gulf Coast states have been called R. pusillus var. angustifolius.
Selected References
None.