Ranunculus lapponicus L.

Lapland buttercup (en), Renoncule crochue (fr), Renoncule de Villars (fr)

Species

Angiosperms > Ranunculales > Ranunculaceae > Ranunculus

Characteristics

Stems prostrate, buried, rooting nodally, glabrous, not bulbous-based. Tuberous roots absent. Basal leaf blades reniform, deeply 3-parted, 1.1-2.6 × 1.6-4.3 cm, segments undivided or 1× cleft, margins crenate, apex rounded. Flowers: receptacle glabrous; sepals spreading or reflexed from base, 4-7 × 2-5 mm, glabrous; petals yellow, 5-6 × 2-3 mm. Heads of achenes hemispheric, 5-7 × 8-10 mm; achenes 3.8-4.2 × 2-2.2 mm, glabrous; beak persistent, lanceolate, curved, tip hooked, 1.6-2.4 mm. 2 n = 16.
More
Rhizomes elongate, bearing at each node a solitary stem 1–2 dm and 1(–2) basal lvs; lvs petioled, reniform, deeply 3-parted, the flabellate-obovate segments coarsely crenate to shallowly lobed; cauline lf 1 or none, smaller, short-petioled; fls 8–12 mm wide; sep 3; achene-body oblong, 2–3 mm, turgid below, flattened above; beak slender, sharply curved or hooked; 2n=16. Wet soil; circumboreal, s. in Amer. to n. Me., n. Mich., n. Minn., and B.C. June, July.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.1
Root system adventitious-root creeping-root rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 7-9
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses medicinal
Edible -
Therapeutic use Dietary Aid (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Ranunculus lapponicus unspecified picture

Distribution

Ranunculus lapponicus world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:217399-2
WFO ID wfo-0000460858
COL ID 4RGRV
BDTFX ID 55106
INPN ID 117089
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Ranunculus lapponicus Coptidium lapponicum Anemone nudicaulis Coptidium lapponicum Ranunculus sulphureus var. altaica