Quercus crispula

Quercus crispula

  • Quercus crispula
  • Quercus crispula
  • Quercus crispula
  • Quercus crispula
  • Flower name
    Quercus crispula
  • Scientific name
    Quercus crispula
  • Aliasオオナラ, 水楢, 大楢
  • Place of originChina and Japan 
  • Place of floweringLow mountains, Sub-alpine
  • Flowering seasonMay

What is Quercus crispula

Quercus crispula or Mizunara, (scientific name: Quercus crispula) is native to China and Japan and is a deciduous broad-leaved tree in the family Fagaceae. It grows naturally in the mountains of Hokkaido to Kyushu in Japan. Because it contains a lot of moisture, it is difficult to burn and has strength. The leaves are egg-shaped and have serrations at the edges of the leaves. The leaves are green at first, but yellow in autumn. It is hermaphroditic. Flowers bloom in the spring and become windy flowers. The fruits are acorns, but they are sour and not edible. Lumber is used for high-end furniture, whiskey barrels, high-grade charcoal, and firewood for cultivating shiitake mushrooms.

Generic name: Quercus crispula, Scientific name: Quercus crispula, also known as: Greater oak (Ora oak), Gibium serrata, Origin: China, Japan, habitat distribution: Hokkaido to Kyushu, living environment: mountainous area, living type: deciduous broad-leaved tree, tree height: 20-30 m, tree diameter: 1.5 m, bark color: gray brown to dark brown, young branch: hairless, leaf shape : Oval shape, leaf height: 7-20 cm, leaf width: 7 cm, leaf color: dark green (front), light green (back), petiole: almost none (0.3 cm), base of leaf blade: earlobe, leaf color: Discoloration from green to yellow leaves, yellow leaves Timing: October-November, phyllus: spirally alternating and bunch at branch tip, leaf margin: triangular rough sawtooth, hermaphrodites, male inflorescence: catkins, male flowers Color: tan, female inflorescence: short, male inflorescence length: 4-5 cm, flowering period: May, fruit type: nut, fruit length: 2 cm, fruit shape: oval, fruit color: brown, Doo type: bowl-shaped, fruiting period: October to November.


  • Eye
    Fagales
  • Family
    Fagaceae
  • Genus
    Quercus
  • Species
    Q. crispula
  • Type of flower
  • Array of flower
    Caudal inflorescence
  • Petal shape
  • Leaf type
    Inverted ovoid
  • Edge of the leaf
    Serrated
  • Life typedeciduous broad-leaved tree
  • Flower colorsWhite
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height2000.0 ~ 3000.0 cm
  • Diameter of flower0.2 ~ 0.3 cm

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