Ranunculus macranthus Scheele

Large buttercup (en), Renoncule faux fucus (fr), Renoncule blanche (fr)

Species

Angiosperms > Ranunculales > Ranunculaceae > Ranunculus

Characteristics

Stems erect or decumbent, never rooting nodally, hispid, base not bulbous. Roots tuberous. Basal leaf blades ovate in outline, 3-5-foliolate, 3.8-10 × 2.7-9 cm, leaflets 1×-lobed, ultimate segments narrowly elliptic to oblanceolate, margins entire or with few teeth, apex broadly acute to rounded-obtuse. Flowers: receptacle hispid; sepals spreading or weakly reflexed ca. 1 mm above base, 7-10 × 3-5 mm, hispid; petals 10-22, yellow, 12-22 × 4-9 mm. Heads of achenes globose to cylindric, 8-14 × 8-10 mm; achenes 2.2-4.2 × 2.8-3.4 mm, glabrous, margin forming narrow rib 0.4-0.6 mm wide; beak usually persistent, filiform from deltate base, straight, 2-4 mm. 2 n = 32.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.3
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 7-9
Soil humidity 5-7
Soil texture 1-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-11

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

Flower

Ranunculus macranthus flower picture by Austin Neal (cc-by-sa)
Ranunculus macranthus flower picture by Austin Neal (cc-by-sa)

Distribution

Ranunculus macranthus world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:713149-1
WFO ID wfo-0001129304
COL ID 4RGVH
BDTFX ID 55131
INPN ID 117107
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ranunculus cuneiformis Ranunculus macranthus Ranunculus fascicularis var. cuneiformis