Species

Quercus acutissima Carruth.

LC

Known Hybrids (1)

Synonyms (7)

bombyx K.Koch castaneifolia Morrison, non C.A.Mey. linanensis lunglinge(x) nsis Hu polyantha serrata S.et Z. uchiyamensis Nakai
Data from Oaks of the World

Geographic Range

Japan , North China , Korea, Himalaya, Cambodia, Myanmar, Vietnam, Thailand ; from 100 to 2200 m; introduced in Europe in 1862 ;

Growth Habit

2 to 15 m  tall (reaches 30 m? with trunk to 1 m in diametre) ; pyramidal crown, becoming rounded and loose ;

Leaves

8-15 cm long, 4-6cm wide ; marcescent ; entire, margin with 10-20 pairs of short teeth, long bristle-tipped; lustrous green above, dull and paler beneath; few hairs on both surfaces; base rounded or coarsely cuneate; long pointed apex; 12-20pairs of parallel veins; 1 to 2 cm long, fluted petiole, rusty coloured in autumn.

Flowers

male flowers on yellowish, pendulous and 10-15 cm long catkins; appearing at the end of spring; female flowers inconspicuous.

Fruits

acorn 2.5 cm long, 1.5-2 cm in diameter, hidden in the long, curved, pubescent scales of the hemispherical cup; solitary or paired; subglobular, with depressed apex; enclosed for 1/2 in the 2 to 4 cm wide cup including long recurved scales; maturing in 2 years ;

Common Names

Japanese chestnut oak saw-toothed oak kunugi ma li

Hardiness & Habitat

prefers well drained and lime-free soils ; but very adaptable; hardy, but prefers moist and warm sites; fast growing when young;

Additional Information

– A. Camus : n° 132 ; – Sub-genus Cerris, Section Cerris, Sub-section Campylolepides (with chenii and variabilis ); – Rare ; – No cultivar ; no serious deseases; propagation by seeds; – The subspecies roxburghii (= Q.roxburghi i Endl.) described by Camus is in fact a species of the Castanopsis genus (= Castanopsis indica ) ;

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