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Ranunculus aquatilis L.

White water crowfoot (en), Renoncule aquatique (fr)

Species

Angiosperms > Ranunculales > Ranunculaceae > Ranunculus

Characteristics

Stems glabrous. Leaves laminate and filiform-dissected; laminate leaf blades reniform, 3-parted, 0.4-1.1 × 0.7-2.3 cm, segments obovate or fan-shaped, shallowly cleft, margins crenate; filiform-dissected leaves with stipules gradually tapering upward, connate for their whole length. Flowers: receptacle hispid, rarely glabrous; sepals spreading or reflexed, 2-4 × 1-2 mm, glabrous; petals 5, 4-7 × 1-5 mm; style 0.1-0.8 mm. Fruiting pedicels usually recurved. Heads of achenes hemispheric to ovoid, 2-4 × 2-5 mm; achenes 1-2 × 0.8-1.4 mm, glabrous or hispid; beak persistent, filiform, 0.1-1.2 mm.
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A herb plant which forms dense clumps. These can be 1 m across. It can be 60 cm high. The lower leaves can be under water and divided into fine segments. The high leaves have 3 lobes and are almost kidney shaped and float. The flowers are white with yellow throats.
Life form perennial
Growth form herb
Growth support aquatic
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread hydrochory
Mature width (meter) 0.1 - 0.5
Mature height (meter) 0.4 - 0.7
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant. It grows under water. It can grow in still freshwater lakes and in streams. It can grow in water 60 cm deep. It can grow to 900 m altitude. It suits hardiness zones 5-9.
More
Ponds, ditches and streams throughout lowland Britain.
Light 6-9
Soil humidity 5-11
Soil texture 1-4
Soil acidity 2-7
Soil nutriment -
Hardiness (USDA) 5-8

Usage

The plant is boiled and eaten.
Uses medicinal
Edible leaves
Therapeutic use Tumor (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings.
Mode divisions seedlings
Germination duration (days) 30 - 68
Germination temperacture (C°) 16
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Ranunculus aquatilis habit picture by PATRICK PREVOST (cc-by-sa)
Ranunculus aquatilis habit picture by Clarysse Leproux (cc-by-sa)
Ranunculus aquatilis habit picture by Clara Wagner (cc-by-sa)

Leaf

Ranunculus aquatilis leaf picture by norbert verneau (cc-by-sa)
Ranunculus aquatilis leaf picture by Olivier Rousseaux (cc-by-sa)
Ranunculus aquatilis leaf picture by Diego Alex (cc-by-sa)

Flower

Ranunculus aquatilis flower picture by Roland Zschuppe (cc-by-sa)
Ranunculus aquatilis flower picture by Mariella Van Gemeren (cc-by-sa)
Ranunculus aquatilis flower picture by Mariella Van Gemeren (cc-by-sa)

Fruit

Ranunculus aquatilis fruit picture by Llandrich anna (cc-by-sa)

Distribution

Ranunculus aquatilis world distribution map, present in Afghanistan, Andorra, Argentina, Austria, Belgium, Bulgaria, Bosnia and Herzegovina, Belarus, Canada, Switzerland, Chile, China, Czech Republic, Germany, Denmark, Algeria, Spain, Estonia, Ethiopia, Finland, France, United Kingdom of Great Britain and Northern Ireland, Greece, Croatia, Hungary, Israel, Italy, Kazakhstan, Liberia, Lithuania, Latvia, Morocco, Mexico, North Macedonia, Montenegro, Mongolia, Netherlands, Norway, Peru, Poland, Romania, Russian Federation, Serbia, Slovakia, Slovenia, Sweden, Tunisia, Ukraine, and United States of America

Conservation status

Ranunculus aquatilis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:300627-2
WFO ID wfo-0000461139
COL ID 6X4PK
BDTFX ID 54731
INPN ID 116928
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Ranunculus hypotrichus Ranunculus aquaticus Ranunculus radians Ranunculus paui Batrachium capillaceum Batrachium circinatoides Batrachium diversifolium Batrachium diversifolium Batrachium luteolum Ranunculus hydrocharis Ranunculus bauhini Ranunculus beckii Batrachium friesii Batrachium gilibertii Batrachium godronii Batrachium heterophyllum Batrachium pantothrix Batrachium peltatum Batrachium sajanense Batrachium triphyllos Batrachium peltatum Ranunculus elongatus Ranunculus diversifolius Ranunculus grayanus Ranunculus carinatus Ranunculus heterophyllus Batrachium carinatum Ranunculus commutatus Ranunculus capillaceus Ranunculus capillaris Ranunculus lacustris Ranunculus submersus Ranunculus rigidus Ranunculus pectinatus Batrachium aquatile Batrachium aquatile Batrachium argutum Batrachium radians Batrachium aquatile var. heterophyllum Batrachium aquatile subsp. radians Batrachium aquatile var. radicans Ranunculus aquatilis var. heterophyllus Ranunculus aquatilis var. trichophyllus Ranunculus aquatilis var. aquatilis Batrachium aquatile var. pantothrix Ranunculus aquatilis var. peltatus Ranunculus pantothrix var. capillaceus Batrachium aquatile var. capillaceum Ranunculus hydrocharis var. capillaceus Ranunculus aquatilis var. circinnatus Ranunculus aquatilis

Lower taxons

Ranunculus aquatilis var. diffusus
WorldFloraDB 2024