Difference between revisions of "Ranunculus pusillus"
in J. Lamarck et al., Encycl. 6: 99. 1804.
FNA>Volume Importer |
FNA>Volume Importer |
||
Line 39: | Line 39: | ||
|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> <i></i>var.<i> angustifolius</i>.</p> | + | |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></i>var.<i><i> angustifolius</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
Line 63: | Line 63: | ||
|publication year=1804 | |publication year=1804 | ||
|special status=Endemic;Selected by author to be illustrated | |special status=Endemic;Selected by author to be 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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V3/V3_337.xml |
|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Ranunculus | |subgenus=Ranunculus subg. Ranunculus |
Revision as of 20:53, 24 September 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.