Sawtooth oak

  • Sawtooth oak_img_0
    Sawtooth oak @ Kiba Park
  • Sawtooth oak_img_1
    Sawtooth oak @ Kiba Park
  • Sawtooth oak_img_2
    Sawtooth oak @ Kiba Park
  • Sawtooth oak_img_3
    Sawtooth oak @ Tokyo Metropolitan Jindai Botanical Park
  • Sawtooth oak_img_4
    Sawtooth oak @ Akatsuka Botanical Garden

Basic information

Flower Name
Sawtooth oak
Formal Name
Quercus acutissima
Alias
Quercus acutissima, Sawtooth
Habitat
Japan to East Asia
Morph
deciduous broadleaf tree

Comment

What is Sawtooth oak

Sawtooth oak or Quercus acutissima (scientific name: Quercus acutissima) is native to Japan and East Asia, and is a deciduous broad-leaved tree in the family Fagaceae. It is a fast-growing tree that forms asatoyama landscape and has long been useful for people's livelihood. The tree is an upright tree with a thick, grayish-brown cork-like bark with many uneven vertical fissures. The fruit is a large acorn, and its cap and bark provide a greenish-blue dye for the crane.

Common name: Quercus acutissima, scientific name: Quercus acutissima, Also known as: Sawtooth Oak, Place of Origin: Japan to East Asia, Environment: Mountains and fields, Living type: deciduous broadleaf tree, tree height: 15 to 20 m, Stem: upright; Bark: dark brown gray, thick corked with uneven vertical fissures; Leaves: oblong lanceolate, pointed
Leaves: thin and hard with a shiny surface, Foliage color: green to brownish yellow (not ornamental), Leaf margin: serrated, Phloem: alternate, Male flowers: 10 cm long, tufted, with yellow-green corm-like inflorescence, Female flowers: one to three small, inconspicuous red flowers in the leaf axils; female flowers, Flowering season: April to May, Fruiting season: Autumn of the following year; fruit: acorn, hard nut, Fruit shape: spherical, half enclosed in a funnel, Acorn diameter: 2 cm, large, Acorn cap (hull doule): bowl-shaped, with thin, pointed and warped scales, Fruit: astringent, must be drained of lye if eaten, Applications: satoyama landscape, bark - herbal medicine, dye (dark blue), Husk Dye, Wood: Construction and apparatus materials, Ship and vehicle materials, Wood and charcoal, Shiitake wood (kindling),
Leaves - silkworm farming, humus, fruit (acorns) - bird food, Children's playthings, sap - insect collection, remarks: wood is fast growing (10 years), Wind-borne flowers.

Detailed information

Order
Fagales
Family
Fagaceae
Genus
Quercus
Species
Q. acutissima
Flower type
Other
Flower array
Catkin
Petal shape
Leaf type
Oblong
Leaf edge
Serrated
Flowering place
Low mountain
Color
Red, Yellow
Season
AprMay
Height
1500 ~ 2000 [cm]
Diameter
1 ~ 1

Daily Ranking

Chrysanthemum morifolium_img
Garcinia subelliptica_img
 Pseuderanthemum carruthersii_img
Egyptian Starcluster_img

Random Flower

spider orchid_img
C. sasanqua  Hikuma-otome_img
Paphiopedilum insigne_img
Monstera_img
Chinese quince_img
Leucadendron_img
Welsh onion_img
Euonymus hamiltonianus_img
black mallow_img
Astilbe formosa_img
Iju _img
Japanese Iris 'Nuretsubame'_img

Feature list

Copyright © 2021 Science & Technology Inst., Co. All Rights Reserved