Coptis japonica

  • Coptis japonica_img_0
    Coptis japonica @ Akatsuka Botanical Garden

Basic information

Flower Name
Coptis japonica
Formal Name
Coptis japonica
Alias
Coptis Rhizome
Habitat
Japan
Morph
Cold hardiness perennial grass

Comment

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 'C. 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.

Detailed information

Order
Ranunculales
Family
Ranunculaceae
Genus
Coptis
Species
C. japonica
Flower language
Makeover (Feb 24, Mar 25)
Flower type
Actinomorphic Flower
Flower array
Racemous Inflorescence
Petal shape
5petals
Leaf type
Ternate-Compound Leaf
Leaf edge
Serrated
Flowering place
Low mountainSub-high mountain
Color
White
Season
FebMarAprMay
Height
10 ~ 20 [cm]
Diameter
1 ~ 1

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