Flower Database

Sawtooth oak

Basic information
Flower Name
Sawtooth oak
Formal Name
Quercus acutissima
Alias
橡, Quercus acutissima, Sawtooth
Habitat
Japan to East Asia
Morph
deciduous broadleaf tree
Comment
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
Apr May
Height
1500  ~ 2000  [cm]
Diameter
1  ~ 1