Quercus dentata Thunb.

Daimyo oak (en)

Species

Angiosperms > Fagales > Fagaceae > Quercus

Characteristics

Trees to 25 m tall, deciduous. Branchlets strong, sulcate, densely yellowish gray stellate tomentose. Petiole 2-5 mm, densely brown tomentose; leaf blade obovate to narrowly so, 10-30 × 6-30 cm, abaxially densely grayish brown stellate tomentose, adaxially dark green and pubescent but glabrescent, base rounded, margin with a few undulate to rough serrations on each side, apex with short, blunt tip; secondary veins 4-10 on each side of midvein; tertiary veins abaxially prominent. Female inflorescences axillary on apical part of young shoot, 1-3 cm. Cupule cupular, 1.2-2 × 2-5 cm including bracts, enclosing 1/2-2/3 of nut; bracts reddish brown, narrowly lanceolate, ca. 1 cm, inflexed or erect, leathery, abaxially with brown filiform hairs, adaxially glabrous. Nut ovoid to broadly so, 1.5-2.3 × 1.2-1.5 cm, glabrous; scar ca. 1 cm in diam., slightly raised; stylopodium ca. 2 mm in diam. Fl. Apr-May, fr. Sep-Oct.
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A tree. It grows about 7-25 m tall. It loses its leaves during the year. The small branches have a yellow covering. The leaf stalk is 2-5 mm long. The leaf blade is oval and 10-30 cm long by 6-30 cm wide. The edges have a few wavy or rough teeth. There are 4-10 secondary veins on each side of the mid vein. The female flower is in the axils of leaves near the ends of young branches. They are 1-3 cm long. The cup is 1.2-2 cm long by 2-5 cm wide including the bracts. The nut is oval and 1.5-2.3 cm long by 1.2-1.5 cm wide.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) 7.0
Mature height (meter) 20.0
Root system -
Rooting depth (meter) -
Root diameter (meter) 0.3
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a temperate plant. In China it grows in mixed forest between 100-2700 m altitude. It suits hardiness zones 7-9. Hobart Botanical Gardens. In Melbourne Botanical Gardens. Arboretum Tasmania.
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Sunny slopes and thickets in lowland and mountains all over Japan. Mixed mesophytic forests; at elevations from 100-2,700 metres. Dry slopes.
Light 5-8
Soil humidity 3-6
Soil texture 2-4
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 5-8

Usage

The leaves are wrapped around festive rice cakes called kashiwa mochi to flavour the cakes. The acorns are roasted and used as a coffee substitute. The acorns are also a source of starch.
Uses charcoal coffee substitute dye fodder food invertebrate food material medicinal ornamental tanning technical wood
Edible leaves nuts seeds
Therapeutic use Astringent (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) 120 - 365
Germination temperacture (C°) 10
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Quercus dentata leaf picture by Darkmattersun Sirius (cc-by-sa)

Distribution

Quercus dentata world distribution map, present in China, Japan, Montenegro, Korea (Democratic People's Republic of), and Taiwan, Province of China

Conservation status

Quercus dentata threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:927479-1
WFO ID wfo-0000290462
COL ID 4R4RZ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Quercus dentata Quercus pinnatifida Quercus dentata f. pinnatifida Quercus dentata var. grandifolia Quercus dentata var. pinnatifida Quercus dentata var. skworzovii Quercus dentata var. wrightii Quercus dentata var. fallax Quercus dentata var. laciniata Quercus dentata var. pinnatiloba

Lower taxons

Quercus dentata subsp. dentata Quercus dentata subsp. stewardii Quercus dentata subsp. yunnanensis