Ranunculus acris

Ranunculus acris var. nipponicus

  • Ranunculus acris
  • Ranunculus acris
  • Ranunculus acris
  • Ranunculus acris
  • Ranunculus acris
  • Ranunculus acris
  • Ranunculus acris
  • Ranunculus acris
  • Ranunculus acris
  • Ranunculus acris
  • Ranunculus acris
  • Ranunculus acris
  • Ranunculus acris
  • Ranunculus acris
  • Flower name
    Ranunculus acris
  • Scientific name
    Ranunculus acris var. nipponicus
  • Alias深山金鳳花, みやまきんぽうげ
  • Place of originHigh mountain of Chubu from Hokkaido in Japan
  • Place of floweringHigh mountain, Sub-alpine
  • Flowering seasonJuly, August

What is Ranunculus acris

Birth flowers for Feb 18, Mar 2

Miyama buttercup (Ranunculus acris var. nipponicus) is an alpine perennial herb belonging to the family Ranunculaceae, that grows wild in sandy and gravelly areas in the subalpine to alpine zones from Hokkaido to central Japan and northward. The herb is 10 to 50 cm tall. It produces inflorescences from July to August with several 5-petaled flowers of 1.5 to 2 cm in diameter. The flowers are followed by a capsule fruit.

Common name: Miyama buttercup, Scientific name: Ranunculus acris var. nipponicus, Distribution: Hokkaido to central and northern Japan, Environment: subalpine zone Life Form: Alpine evergreen perennial herb, Height: 10-50 cm, Root: palmate, Branchlets: pinnate, Leaf: narrowly oblong-ovate, Leaf margin: serrate, Inflorescence: opposite, Inflorescence: clustered, Flower Color: yellow, Flower Quality: glabrous, Flower Diameter: 1.5-2 cm, Corolla: 5-petal, Flowering Period: July-August, Sepals: 5, Fruit: thin fruit Fruit: thin fruit.


  • Order
    Ranunculales
  • Family
    Ranunculaceae
  • Genus
    Ranunculus
  • Species
    R. acris var. nipponicus
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Scattered inflorescence/ umbrella shape
  • Petal shape
    Five-petal
  • Leaf type
    needle shape
  • Edge of the leaf
    Serrated
  • Life typealpine perennial grass
  • Flower colorsYellow
  • Colors of the leavesGreen
  • Fruit color
  • Height10.0 ~ 50.0 cm
  • Diameter of flower1.0 ~ 2.0 cm

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