Bistorta japonica

Bistorta subsp. japonica

  • Bistorta japonica
  • Bistorta japonica
  • Bistorta japonica
  • Bistorta japonica
  • Bistorta japonica
  • Bistorta japonica
  • Flower name
    Bistorta japonica
  • Scientific name
    Bistorta subsp. japonica
  • Aliasエビクサ, 伊吹虎の尾
  • Place of originJapan
  • Place of floweringHigh mountain
  • Flowering seasonJune, July, August

What is Bistorta japonica

Bistorta japonica (scientific name:Bistorta officinalis subsp. japonica) is a perennial herb of Polygonaceae the family, of the genus Bistortanative to Japan. It grows a lot wild in Ibukiyama and lets a white blossom bloom in the raceme which lengthened from a flower stalk. The rhizome is called Jin Ken (a fist comes) and is considered to be antibacteria and an antitussive medicinal herb. From the flower looks like a tiger's tail that was named master. Looks like a white 5 petaled flower 5 deep-lobed calyx and no petals.Rhizomes are called security slot (fist 3), antibiotic or antitussive herbs.

General name:Bistorta japonica, Scientific name:Bistorta officinalis subsp. japonica , Origin Habitat distribution: Japan, Hokkaido-Kyushu Japan, environment: Alpine and mountain pasture, living type: subalpine perennial plant: 30 ~ 100 cm, petioles of the leaves long oval long oval-elliptical-lanceolate, leaf margin: entire and leaf length: 20 cm, foliage leaf arrangement: alternate, Inflorescence type: raceme inflorescence length 3-8 cm, petals: no, and flower (actually the calyx color): white-pink or flowering (calyx): June to August, flowers (calyx) diameter: 0.3 cm. Calyx (looks like a flower): 5 crack, number of columns: 3, number of stamens: 8, applications: raw salts.


  • Eye
    Caryophyllales
  • Family
    Polygonaceae
  • Genus
    Bistorta
  • Species
    B. subsp. japonica
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Gross inflorescence
  • Petal shape
    without
  • Leaf type
    lanceolate
  • Edge of the leaf
    All edges
  • Life typePerennial plant of the high mountain
  • Flower colorsPink White
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height30.0 ~ 100.0 cm
  • Diameter of flower3.0 ~ 8.0 cm

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