Japanese Buttercup

Ranunculus japonicus

  • Japanese Buttercup
  • Japanese Buttercup
  • Flower name
    Japanese Buttercup
  • Scientific name
    Ranunculus japonicus
  • Alias馬の足形, Japanese Buttercup
  • Place of originHigh mountain of Chubu from Hokkaido in Japan
  • Place of floweringFields and footpaths
  • Flowering seasonApril, May, June

What is Japanese Buttercup

Japanese Buttercup or Umanoahigata(scientific name:Ranunculus japonicus) is a perennial of the family Ranunculaceae in the Japanese and Chinese origin. It is a wild grass that grows in the fields and mountains from Hokkaido to Okinawa of Japan . In the spring, yellow flowers are blooming in the inflorescence stretching from the flower stem. Unfortunately it is a poisonous plant.

Common name:Japanese Buttercup or Umanoahigata, scientific name: Ranunculus japonicus, aka: Japanese Buttercup, distribution: Hokkaido ~ Okinawa of Japan, Environment : Field and mountainous area, life type: perennial plant, plant height: 30 to 50 cm, root foliage: palm shape, leaf shape: narrow ellipse shape, leaf margin: saw tooth presence, leaf order: tooth crest, radish symmetry flower, bisexual flower, liberation Flower color: yellow, flower diameter: 1.5 cm, petal number: 5, flowering period: April to June, fruit type: gathering fruit, fruit shape: spherical shape, NOTE: poisonous plant.


  • Order
    Ranunculales
  • Family
    Ranunculaceae
  • Genus
    Ranunculus
  • Species
    R. japonicus
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Scattered inflorescence/ umbrella shape
  • Petal shape
    Five-petal
  • Leaf type
    Palm shape
  • Edge of the leaf
    Toothed
  • Life typeperennial
  • Flower colorsYellow
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height30.0 ~ 50.0 cm
  • Diameter of flower1.5 ~ 2.0 cm

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