Ranunculus allegheniensis Britton

Allegheny mountain buttercup (en)

Species

Angiosperms > Ranunculales > Ranunculaceae > Ranunculus

Characteristics

Stems erect or nearly erect, 10-50 cm, glabrous, each with 9-40 flowers. Roots slender, 0.2-0.8 mm thick. Basal leaves persistent, blades reniform, outer undivided, inner 3-lobed to 3-foliolate, 1-3.5 × 1.5-4.5 cm, base truncate or cordate, margins crenate, apex rounded or obtuse. Flowers: pedicels pubescent or glabrous; receptacle sparsely pilose; sepals 2-3 × 1-2 mm, abaxially sparsely hispid, hairs colorless; petals 5, 1-2 × 0.5-1 mm; nectary scale glabrous. Heads of achenes globose to ovoid, 3-7 × 3-5 mm; achenes 1.5-2 × 1.4-1.8 mm, glabrous; beak slender, strongly curved, 0.6-1 mm. 2 n = 16.
More
Plants erect, glabrous or subglabrous, branched above, 2–5 dm; basal lvs reniform or broadly flabellate, truncate to subcordate at base, crenate or some variously lobed or parted; cauline lvs sessile or subsessile, 3–5-parted, the lobes linear, varying to cuneate-obovate, the broader ones lobed or incised; pet 1.5 mm, shorter than the reflexed sep; achenes in a globose head, turgid, 1.4–2 mm, the beak firm, strongly curved or hooked, 0.7–1 mm. Moist or dry woods; chiefly in the mts.; Mass. to O., N.C., and Tenn. Apr., May.
Life form
Growth form herb
Growth support -
Foliage retention
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 1-6
Soil humidity 5-7
Soil texture 1-2
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
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 allegheniensis unspecified picture

Distribution

Ranunculus allegheniensis world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:712161-1
WFO ID wfo-0001129387
COL ID 794PG
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ranunculus allegheniensis