Ranunculus japonicus Thunb.

Species

Angiosperms > Ranunculales > Ranunculaceae > Ranunculus

Characteristics

Herbs perennial. Rhizomes short. Stems 12--65 cm, hispid or strigose toward base, rarely subglabrous or glabrous, strigose above, branched. Basal leaves 3--6; petiole 3--22(--25) cm, hispid or strigose; blade 3-partite, rarely 3-sect or ternate, cordate-pentagonal, 1.2--6.5(--10) × 2--10(--16) cm, papery, strigose, base cordate, central segment cuneate-rhombic to broadly rhombic, 3-lobed, margin unequally dentate; lateral segments obliquely flabellate, unequally 2-cleft. Stem leaves smaller, short petiolate or sessile. Compound monochasium terminal, (1--)3--15-flowered. Flowers 1.4--2.4 cm in diam. Pedicel 0.8--10 cm. Receptacle glabrous. Sepals 5, ovate, ca. 5 mm, abaxially strigose. Petals 5, obovate, 7--12 × 6.5--8.5 mm, nectary pit covered by a scale, apex rounded or emarginate. Stamens numerous; anthers oblong. Aggregate fruit subglobose, 4--6 mm in diam. Achene obliquely broadly obovate, 1.8--2.8 × 1.5--2 mm, glabrous, narrowly marginate; style persistent, triangular, 0.2--0.4 mm.
More
A herb. It keeps growing from year to year. It has short rhizomes. The stems are 12-65 cm long. There are 3-6 leaves at the base. The leaves have 3 parts. They are heart shaped and 1-7 cm long by 2-10 cm wide. There are unequal teeth along the edge. The leaves on the stem are smaller. The flowers are 1.4-2.4 cm across.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.3
Mature height (meter) 0.1
Root system fibrous-root rhizome
Rooting depth (meter) 0.1
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 tropical plant. In China it grows between 100-3,500 m above sea level.
More
Moist soils in grassy places in lowland and mountains all over Japan.
Light 4-9
Soil humidity 4-6
Soil texture 1-6
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 5-10

Usage

Uses medicinal
Edible leaves
Therapeutic use Malaria (unspecified), Poison (unspecified), Vermifuge (unspecified), Congestion (unspecified), Tuberculosis (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode 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 japonicus unspecified picture

Distribution

Ranunculus japonicus world distribution map, present in China, Estonia, Japan, Lao People's Democratic Republic, Latvia, Mongolia, Korea (Democratic People's Republic of), Russian Federation, Taiwan, Province of China, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:712987-1
WFO ID wfo-0001129303
COL ID 4RGNM
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ranunculus crucilobus Ranunculus novus Ranunculus japonicus Ranunculus japonicus f. latissimus Ranunculus paishanensis f. oreodoxa Ranunculus grandis Ranunculus transochotensis Ranunculus labordei Ranunculus paishanensis Ranunculus coreanus Ranunculus yuparensis Ranunculus subcorymbosus subsp. grandis Ranunculus subcorymbosus var. grandis Ranunculus acris var. japonicus Ranunculus japonicus var. latissimus Ranunculus paishanensis var. oreodoxa Ranunculus japonicus var. japonicus Ranunculus grandis var. grandis Ranunculus grandis var. typicus Ranunculus subcorymbosus var. ovczinnikovii Ranunculus acris var. japonicus Ranunculus acris subsp. japonicus Ranunculus acris var. schizophyllus Ranunculus acris subsp. nipponicus Ranunculus acris subsp. novus

Lower taxons

Ranunculus japonicus var. yakushimensis Ranunculus japonicus var. hsinganensis Ranunculus grandis var. manshuricus Ranunculus japonicus var. rostratus Ranunculus japonicus var. ternatifolius