WorldFloraDB - Ranunculus flabellaris

Characteristics

Stems floating or prostrate, glabrous, rooting at proximal nodes. Leaves: basal leaves seldom present, cauline leaf blades semicircular to reniform, 1-6×-lobed, parted, or dissected 1.2-7.3 × 1.9-10.8 cm, base truncate or cordate, segment margins entire or crenate, apex rounded to filiform. Flowers: receptacle sparsely hispid; sepals 5, spreading or weakly reflexed, 5-7 × 3-6 mm, glabrous; petals 5-6(-14), 7-12 × 5-9 mm; nectary scale variable, crescent-shaped, funnel-shaped, or flaplike; style 0.8-1.2 mm. Heads of achenes ovoid, 8-10 × 7-8 mm; achenes 1.8-2.2 × 1.6-2.2 mm, glabrous; beak lanceolate, straight, 1-1.8 mm. 2 n = 32.

More

Submersed lvs ternately decompound with linear segments 1–2 mm wide; emersed lvs (when present) broadly reniform, 3-parted, the segments 3-cleft, the division in turn 3-lobed; fls on long, stout peduncles; sep 4–8 mm; pet 6–14 mm; achenes plump, 1.3–2.5 mm, the sides rugose, the margin corky-thickened around the base and the ventral side below the middle; beak 0.7–1.5 mm; 2n=32. Quiet water and muddy shores, seldom wholly emersed; Me. to B.C., s. to Va., Ky., Ind., Ill., and La. Apr.–June. (R. delphinifolius)

Life form

perennial

Growth form

herb

Growth support

-

Foliage retention

deciduous

Sexuality

hermaphrodite

Pollination

-

Spread

-

Mature width (meter)

-

Mature height (meter)

0.4 - 0.6

Root system

-

Rooting depth (meter)

-

Root diameter (meter)

-

Flower color

Blooming months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

Fruit color

-

Fruiting months

-

Nitrogen fixer

-

Photosynthetic pathway

-

Environment

Light
Soil humidity
Soil texture
Soil acidity	-
Soil nutriment	-
Hardiness (USDA)

Usage

Uses	medicinal
Edible	-
Therapeutic use	Cold Remedy (flower), Respiratory Aid (leaf)
Human toxicity	-
Animal toxicity	-

Cultivation

Mode	-
Germination duration (days)	30 - 90
Germination temperacture (C°)	10
Germination luminosity	-
Germination treatment	-
Minimum temperature (C°)	-35
Optimum temperature (C°)	-
Size	-
Vigor	-
Productivity	-

Images

Ranunculus flabellaris unspecified picture

Distribution

Conservation status

Identifiers

LSID	urn:lsid:ipni.org:names:712713-1
WFO ID	wfo-0001129257
COL ID	4RGBS
BDTFX ID	-
INPN ID	-
Wikipedia (EN)	Link
Wikipedia (FR)

Synonyms

Ranunculus flabellaris f. plenus Ranunculus flabellaris f. riparius Ranunculus delphinifolius f. terrestris Ranunculus flabellaris Ranunculus flabellaris f. flabellaris Ranunculus multifidus var. terrestris Ranunculus delphinifolius var. terrestris

WorldFloraDB 2024

Ranunculus flabellaris Raf.

Yellow water buttercup (en)

Species

Angiosperms > Ranunculales > Ranunculaceae > Ranunculus