Oriental white oak

Quercus aliena

Flower name
Oriental white oak
Scientific name
Quercus aliena
Alias楢柏, Quercus aliena, カシワナラ, Oriental white oak
Place of originChina, Korean Peninsula and Japan
Place of floweringLow mountains
Flowering seasonApril, May

What is Oriental white oak

Oriental white oak (scientific name: Quercus aliena) is deciduous broadleaf trees of the family Fagaceae in China, Korean Peninsula and Japan. Apart from Hokkaido, Aomori, Okinawa, it is growing nationwide in Japan. Leaves are bigger than Mizunara, there are petiole. Female and male shares (monoecious) · Different flowers bloom simultaneously with the development of leaves in spring. The male flower blooms in a pale green color and a caterpillar inflorescence that hangs down. Female flowers give inflorescences to the leaf axes of new branches. I will make nuts (acorn) after flowers.

General name: Oriental white oak, Origin: China and Japan, tree height: 15 to 30 m, tree width: 100 cm, bark color: irregular crack with gray brown, leaf quality: cortex, leaf table: deep green color, foliage: gray star-shaped dense hair for whitish, leaf shape: inverted oval, leaf height: 15 to 30 cm, leaf width: 5 to 15 cm, petiole length: 2 to 3 cm, leaf order: alternate, leaf margin: wavy sawtooth, flowering period: April to May, male inflorescence length: 5 to 7 cm , Male flower diameter: 0.25 cm, female flower arrangement: several female flowers, flower pillars: 3, fruit type: nuts, nuts and fur: 2 cm, nutshell: oval, maturity period: autumn.