Orixa japonica

Orixa japonica

  • Orixa japonica
  • Orixa japonica
  • Flower name
    Orixa japonica
  • Scientific name
    Orixa japonica
  • Alias
  • Place of originJapan and China
  • Place of floweringLow mountains
  • Flowering seasonApril, May

What is Orixa japonica

Orixa japonica or kokusagi (scientific name: Orixa japonica) is a deciduous shrub in the family Rutaceae, native to Japan and China. In Japan, it grows naturally under the forests of mountan in Honshu, Shikoku and Kyushu.
The leaves are green and shiny, they are egg-shaped and all-edge, and the phylla are alternately left and right. Dioecious. In spring, yellow-green flowers bloom. Female flowers are unisexual and bloom one flower. Male flowers extend the inflorescence and bloom about 10 flowers. The name is due to the peculiar cycle of the branches and leaves.

Generic name: Orixa japonica, Scientific name: Orixa japonica, aka: kokusagi, tree height: 1-3 m, bark color: gray-brown, leafy : Glossy, Leaf color: Green, phylla: alternating left and right in pairs, Leaf shape: Oval, Leaf margin: Whole edge, Leaf length: 5-12 cm, Leaf width: 6 cm, Dioecious, Male inflorescence Length: 2-5 cm, flower color: yellow-green, flowering period: April-May, flower diameter: 0.7-1 cm, number of petals of female: 4, number of sepals of female: 4, number of ovaries of female: 4 , The number of stamens of female flower: 0, the number of stamens of male flower: 4, fruit stage: September to November, fruit type: capsule, divided into four.


  • Order
    Sapindales
  • Family
    Rutaceae
  • Genus
    Orixa
  • Species
    O. japonica
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Monopetal inflorescence
  • Petal shape
    4 petals
  • Leaf type
    Inverted lanceolate
  • Edge of the leaf
    All edges
  • Life typedeciduous shrub
  • Flower colorsGreen
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height100.0 ~ 300.0 cm
  • Diameter of flower0.7 ~ 1.0 cm

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