Ranunculus hispidus

Michaux

Fl. Bor.-Amer. 1: 321. 1803.

Common names: Renoncule hispide
Endemic
Treatment appears in FNA Volume 3.

Stems erect or decumbent, sometimes rooting nodally, hispid or strigose, base not bulbous. Roots never tuberous. Basal leaf-blades ovate to deltate in outline, 3-foliolate or outer blades merely 3-parted, 2-13.4 × 2.4-16.8 cm, leaflets undivided to lobed or parted, ultimate segments narrowly elliptic or oblanceolate to circular, margins toothed, apex acuminate to rounded. Flowers: receptacle hispid; sepals spreading or reflexed, 4-10 × 2-5 mm, hispid; petals 5, yellow, 8-16 × 3-9 mm. Heads of achenes hemispheric to short-ovoid, 6-10 × 7-10 mm; achenes 2.2-5.2 × 2-3.8 mm, glabrous, margin forming narrow rib or broad wing 0.1-1.2 mm wide; beak persistent, lance-subulate, straight or somewhat curved, 0.8-2.6 mm.

Distribution

Man., N.B., N.S., Nfld. and Labr. (Nfld.), Ont., P.E.I., Que., Ala., Ark., Conn., D.C., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Mass., Md., Mich., Minn., Miss., Mo., N.C., N.Dak., N.H., N.J., N.Y., Nebr., Ohio, Okla., Pa., R.I., S.C., S.Dak., Tenn., Tex., Va., Vt., W.Va., Wis.

Discussion

Varieties 3

Until recently, the varieties of Ranunculus hispidus were usually treated as distinct species. Arguments for restoring species status to R. hispidus var. nitidus were given by G. L. Nesom (1993).

Selected References

None.

Key

1 Stems erect or nearly erect, never rooting at nodes. Ranunculus hispidus var. hispidus
1 Stems decumbent, sometimes rooting at nodes. > 2
2 Sepals spreading or reflexed from base; achene margins 0.1–0.2 mm broad. Ranunculus hispidus var. caricetorum
2 Sepals reflexed 1 mm above base; achene margins 0.4–1.2 mm broad. Ranunculus hispidus var. nitidus

"high" is not a number.

... more about "Ranunculus hispidus"
not prolonged +
3-15 times as wide as thick +
0.22 cm2.2 mm <br />0.0022 m <br /> (0.52 cm5.2 mm <br />0.0052 m <br />) +
2mm;3.8mm +
acuminate +  and rounded +
Alan T. Whittemore +
Michaux +
2 cm20 mm <br />0.02 m <br /> (13.4 cm134 mm <br />0.134 m <br />) +
2.4 cm24 mm <br />0.024 m <br /> (16.8 cm168 mm <br />0.168 m <br />) +
not bulbous +
cuneate +, truncate +  and cordate +
curved +  and straight +
persistent +
lance-subulate +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.26 cm2.6 mm <br />0.0026 m <br />) +
large +  and small +
globose;cylindric +
Renoncule hispide +
1-50-flowered +
0 cm0 mm <br />0 m <br /> (25 cm250 mm <br />0.25 m <br />) +
Man. +, N.B. +, N.S. +, Nfld. and Labr. (Nfld.) +, Ont. +, P.E.I. +, Que. +, Ala. +, Ark. +, Conn. +, D.C. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Mass. +, Md. +, Mich. +, Minn. +, Miss. +, Mo. +, N.C. +, N.Dak. +, N.H. +, N.J. +, N.Y. +, Nebr. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Va. +, Vt. +, W.Va. +  and Wis. +
showy +  and inconspicuous +
sessile +  and aggregate +
cylindric;obovoid;cylindric;obovoid;globose;lenticular;discoid +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
hemispheric;short-ovoid +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
axillary +  and terminal +
reniform +  and linear +
whorled +, opposite +  and alternate +
cauline +  and basal +
parted +  and lobed +
undivided +  and lobed or parted +
palmate +  and pinnate +
distinct +
8mm;16mm +
conspicuous +
linear +  and orbiculate +
reduced +
0.1 cm1 mm <br />0.001 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
4 +  and 250 +
Fl. Bor.-Amer. +
nodal +  and basal +
not arillate +  and stalked +
parted +  and lobed +
white;yellow;white;yellow;purple;sometimes;green +
deciduous +
distinct +
reflexed +  and spreading +
oblong +  and elliptic ovate or lanceolate +
0.1 cm1 mm <br />0.001 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
(5-)10-many +
decumbent +  and erect +
strigose +  and hispid +
persistent +
Ranunculus sect. Chrysanthe +
Ranunculus hispidus +
Ranunculus sect. Ranunculus +
species +
perennial +  and annual +
glabrous +  and hispid +
herbaceous +  and woody +
0.1mm +  and 1.2mm +