Quercus glauca

  • Quercus glauca_img_0
    Quercus glauca @ Kyoto Botanical Garden
  • Quercus glauca_img_1
    Quercus glauca @ Akatsuka Botanical Garden

Basic information

Flower Name
Quercus glauca
Formal Name
Quercus glauca
Alias
Habitat
Japan, Korea and China
Morph
evergreen broad-leaved tree

Comment

What is Quercus glauca

Quercus glauca,Japanese blue oak or arakashi (Quercus glauca) is an evergreen broad-leaved tree in the family Fagaceae native to Japan, Korea and China. It is a member of an evergreen broadleaf forest. Oak (Quercus) is the generic name for the genus Quercus in the beech family. The deciduous tree is called oak and the evergreen tree is called oak. Hence, the scientific name Quercus is given to the oak. The name comes from the hollowed-out trunk and the rough, spindly nature of the oak. It produces acorns in the fall. Speaking of oaks, in the Kanto region, the white oak (Q. myrsinaefolia) In Kansai, Arakashi (Q. acuta).

Common name: Quercus glauca,Scientific name: Quercus glauca , aka: Japanese blue oak or arakashi, origin: Japan, China Distribution: Honshu to Kyushu (west of Miyagi Prefecture), Okinawa, Korea and China, Environment: thickets, living type: evergreen broadleaf trees, Tree height: 20-25 m,
Diameter of the tree: 60 cm, Bark: dark grey, barked and dented, Growth: slightly fast; Ordination: alternate; Leaf height: 7-12 cm; Leaf width: 4 cm; Leaf shape: oblong and oval, inverted Leaf margin: serrated at the tip; leaf color: dark green (front), grayish-white (back); leaf substance: cortex with hairy underside Leaf tip: acute angle, leaf base: broadly cuneiform, petiole: dioecious, dioecious, Flowering time: April-May; male inflorescence: 5-10 cm hanging down from the lower part of the new branch; female inflorescence: 2 or 3 on the sides of bracts Attached, male flower cover: 0.3 cm, Staminodes: 5, inflorescence: 3 to 5 female flowers upright in the leaf axils at the tip of the new branch, number of flower columns: 3, fruit Type: Acorn, Fruiting season: November-December, Fruit length: 2 cm, Fruit shape: husk doule, Use. Trees are garden trees, park trees, garden trees, school trees, street trees, hedges, and timber for construction, equipment and charcoal.

Detailed information

Order
Fagales
Family
Fagaceae
Genus
Quercus
Species
Q. glauca
Flower type
Flower array
Catkin
Petal shape
Leaf type
Broad ovate Leaf
Leaf edge
Serrated
Flowering place
Gardenpark
Color
Season
AprMay
Height
1500 ~ 2000 [cm]
Diameter
5 ~ 10

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