Ranunculus macounii Britton

Macoun's buttercup (en)

Species

Angiosperms > Ranunculales > Ranunculaceae > Ranunculus

Characteristics

Stems prostrate to nearly erect, often rooting nodally, hirsute or glabrous, base not bulbous. Roots never tuberous. Basal leaf blades cordate to reniform in outline, 3-foliolate, 3.7-7.5 × 4.5-9.5 cm, leaflets 3-lobed or-parted, ultimate segments elliptic or lance-elliptic, margins toothed or lobulate, apex acute to broadly acute. Flowers: receptacle hirsute; sepals spreading or reflexed ca. 1 mm above base, 4-6 × 1.5-3 mm, glabrous or hirsute; petals 5, yellow, 4-6 × 3.5-5 mm. Heads of achenes globose or ovoid, 7-11 × 7-10 mm; achenes 2.4-3 × 2-2.4 mm, glabrous, margin forming narrow rib 0.1-0.2 mm wide; beak persistent, lanceolate to broadly lanceolate, straight or nearly so, 1-1.2 mm. 2 n = 32, 48.
More
Much like no. 5 [Ranunculus pensylvanicus L.f.], but sometimes glabrous, the stems widely branched and sometimes rooting from the lower nodes; pet 3.5–5 mm, equaling or commonly longer than the sep; fruiting heads mostly 7–12 mm, ovoid-cylindric; achenes 2.7–3.3 mm; beak triangular-subulate, 0.8–1.8 mm; 2n=32. Marshes and wet meadows; Lab. to Alas. and e. Asia, s. to Que., n. Mich., Io., and Ariz. June–Aug.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3
Root system -
Rooting depth (meter) 0.3
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Light 7-8
Soil humidity -
Soil texture -
Soil acidity 3-8
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) 30 - 90
Germination temperacture (C°) 10
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Ranunculus macounii unspecified picture

Distribution

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

Conservation status

Ranunculus macounii threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:713148-1
WFO ID wfo-0001129262
COL ID 4RGVF
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ranunculus macounii Ranunculus oreganus Ranunculus rudis Ranunculus macounii var. macounii Ranunculus macounii var. oreganus