Coptis japonica

Coptis japonica

  • Coptis japonica
  • Coptis japonica
  • Flower name
    Coptis japonica
  • Scientific name
    Coptis japonica
  • Alias黄連, Coptis Rhizome
  • Place of originJapan
  • Place of floweringLow mountains, Sub-alpine
  • Flowering seasonFebruary, March, April, May
  • Language of flowersMakeover

What is Coptis japonica

Coptis japonica or Ouren in Japanese (scientific name:Coptis japonica) is native to Japan, it is a cold-resistant evergreen perennial of the Ranunculaceae family. Depending on the leaf shape, there are Coptis anemonifolia or Kikuba ouren (Coptis japonica var. anemonifolia), 'C. japonica var. Dissecta' and 'C. japonica var. Japonica'. These are collectively referred to as the 'Coptis japonica'.
There are two kinds of flower, there is an 'amphoteric flower' with stamen and several stamens and a 'male flower' with only stamens and no seeds. In the spring, before elongating new leaves, elongate brown flower stems are stretched, and one to three white flowers are bloom at the tip. However, what looks like this white petal is actually calyx, real flowers are like thin strings. Rhizome is used. In addition to becoming a herbal medicine called 'Huang' in Chinese herbal medicine, it is used as a medicine such as 'Yeongdong hot water' or 'San-Huangyang hot water' etc. Fukui Prefecture occupies 70% of the total production in Coptis japonica in Japan.

Generic name: Coptis japonica, scientific name:Coptis japonica, Origin: Japan, distribution: Japan's Hokkaido, Honshu, Shikoku, living environment: mountain's shade of the ground, height of the plant: 10 to 20 cm, root foliage, leaf shape: 3 times departure complex leaves, lobular form: ovate, leaf margin: rough saw tooth or fissure, sexual different strain, amphoteric flowers: stamens and several Petal, male flower: a large number of stamens, flower stem height: 20 to 50 cm, inflorescence form: general inflorescence, flower size: 1 cm, petal form: small spoon shape, flower color (actually calyx): white to pale yellow green, Number: 5 to 6, calyx shape: petal shape, flowering period: February to May, fruit type: baguede.


  • Eye
    Ranunculales
  • Family
    Ranunculaceae
  • Genus
    Coptis
  • Species
    C. japonica
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Gross inflorescence
  • Petal shape
    Five-petal
  • Leaf type
    3-fold compound leaf
  • Edge of the leaf
    Serrated
  • Life typeCold hardiness perennial grass
  • Flower colorsWhite
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height10.0 ~ 20.0 cm
  • Diameter of flower1.0 ~ 1.0 cm

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