Difference between revisions of "Ranunculus laxicaulis"
Man. Bot. 2: 4. 1841.
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|genus=Ranunculus | |genus=Ranunculus | ||
|subgenus=Ranunculus subg. Ranunculus | |subgenus=Ranunculus subg. Ranunculus | ||
Latest revision as of 21:50, 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.