- Flower nameQuercus glauca
- Scientific nameQuercus glauca
- Aliasアラガシ, クロガシ, Oak, オーク
- Place of originJapan, Korea and China
- Place of floweringGarden, Park
- Flowering seasonApril
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.