familyRanunculaceae
genusRanunculus
subgenusRanunculus subg. Ranunculus
sectionRanunculus sect. Flammula
speciesRanunculus laxicaulis
Difference between revisions of "Ranunculus laxicaulis"
Man. Bot. 2: 4. 1841.
Endemic
Synonyms: Ranunculus mississippiensis Small Ranunculus subcordatus E. O. Beal Ranunculus texensis Engelmann ex Engelmann & A. Gray
Treatment appears in FNA Volume 3.
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| + | |name=Ranunculus subcordatus | ||
|authority=E. O. Beal | |authority=E. O. Beal | ||
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|hierarchy=Ranunculaceae;Ranunculus;Ranunculus subg. Ranunculus;Ranunculus sect. Flammula;Ranunculus laxicaulis | |hierarchy=Ranunculaceae;Ranunculus;Ranunculus subg. Ranunculus;Ranunculus sect. Flammula;Ranunculus laxicaulis | ||
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Stems </b>erect or ascending, often rooting at proximal nodes, glabrous or sparsely pilose. <b>Roots</b> not thickened basally, glabrous. <b>Proximal</b> cauline leaf blades ovate to lanceolate or narrowly elliptic, 1.5-5.7 × 0.4-2.4 cm, base cordate to acute, margins finely denticulate or entire, apex broadly rounded to acuminate. <b>Inflorescences</b>: bracts linear to lanceolate or oblanceolate. <b>Flowers</b>: receptacle glabrous; sepals 4-5, spreading or reflexed from base, 2-3 × 1.5-3 mm, glabrous or pubescent; petals 4-6, 2-6 × 1-2 mm; nectary scales glabrous. <b>Heads</b> of achenes hemispheric to ovoid, 2-4 × 2-3 mm; achenes 0.8-1 × 0.8 mm, glabrous; beak deciduous, leaving stump 0.1-0.2 mm.</span><!-- |
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| − | |synonyms= | + | |synonyms=Ranunculus mississippiensis;Ranunculus subcordatus;Ranunculus texensis |
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|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Ranunculus | |subgenus=Ranunculus subg. Ranunculus | ||
|section=Ranunculus sect. Flammula | |section=Ranunculus sect. Flammula | ||
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Latest revision as of 22:50, 5 November 2020
Stems erect or ascending, often rooting at proximal nodes, glabrous or sparsely pilose. Roots not thickened basally, glabrous. Proximal cauline leaf blades ovate to lanceolate or narrowly elliptic, 1.5-5.7 × 0.4-2.4 cm, base cordate to acute, margins finely denticulate or entire, apex broadly rounded to acuminate. Inflorescences: bracts linear to lanceolate or oblanceolate. Flowers: receptacle glabrous; sepals 4-5, spreading or reflexed from base, 2-3 × 1.5-3 mm, glabrous or pubescent; petals 4-6, 2-6 × 1-2 mm; nectary scales glabrous. Heads of achenes hemispheric to ovoid, 2-4 × 2-3 mm; achenes 0.8-1 × 0.8 mm, glabrous; beak deciduous, leaving stump 0.1-0.2 mm.
Phenology: Flowering late winter–summer (Mar–Jul).
Habitat: Around ponds and ditches, in meadows, roadsides, and open woods
Elevation: 0-100 m
Distribution
Ala., Ark., Del., Ga., Ill., Ind., Kans., Ky., La., Md., Miss., Mo., N.J., N.C., Okla., S.C., Tenn., Tex., Va.
Discussion
Selected References
None.
Lower Taxa
None.