Ranunculus laxicaulis

Darby

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.

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

V3 680-distribution-map.gif

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.
... more about "Ranunculus laxicaulis"
Alan T. Whittemore +
Ranunculus subg. Flammula +
Ala. +, Ark. +, Del. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Md. +, Miss. +, Mo. +, N.J. +, N.C. +, Okla. +, S.C. +, Tenn. +, Tex. +  and Va. +
0-100 m +
Around ponds and ditches, in meadows, roadsides, and open woods +
Flowering late winter–summer (Mar–Jul). +
Ranunculus mississippiensis +, Ranunculus subcordatus +  and Ranunculus texensis +
Ranunculus laxicaulis +
Ranunculus sect. Flammula +
species +