Ranunculus sulphureus Sol.

Sulphur buttercup (en)

Species

Angiosperms > Ranunculales > Ranunculaceae > Ranunculus

Characteristics

Stems erect from short caudices, 3-20 cm, sparsely pilose to glabrous, each with 1-3 flowers. Roots slender, 0.4-1 mm thick. Basal leaves persistent, blades transversely elliptic to orbiculate, 1-3 × 1-3 cm, base obtuse to nearly truncate, margins crenate or else blades shallowly 3-lobed with crenate lateral lobes, apex rounded or rounded-apiculate. Flowers: pedicels sparsely brown-pilose; receptacle brown-pilose; sepals 6-8 × 3-6 mm, abaxially densely brown-hispid; petals 5(-6), 8-12 × 6-10 mm; nectary scale glabrous. Heads of achenes ovoid-cylindric or ovoid, 6-7(-9) × 5-6 mm; achenes 1.8-2.2 × 1.4-1.8 mm, glabrous or sparsely brown-hispid; beak slender, straight or curved, 0.8-1.4 mm. 2 n = 42, ca. 80, ca. 84, 96, ca. 98.
Life form perennial
Growth form herb
Growth support -
Foliage retention
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.2
Root system creeping-root fibrous-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 3-7
Soil texture 1-4
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 sulphureus unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:713921-1
WFO ID wfo-0000462239
COL ID 6X53J
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Ranunculus sulphureus Ranunculus sulphureus var. intercedens Ranunculus sulphureus var. sulphureus Ranunculus nivalis var. intercedens Ranunculus altaicus subsp. sulphureus Ranunculus nivalis subsp. intercedens Ranunculus nivalis subsp. sulphureus

Lower taxons

Ranunculus sulphureus subsp. taimyrensis Ranunculus sulphureus subsp. exaltatus