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Quercus dentata | |
Author | Thunb. 1784 Syst. Veg. ed. 14 858 |
Synonyms | obovata Bunge 1833 daimio K.Koch 1873, or hort. koreana Nakai 1914 dentata subsp koreana (Nak.) A.Camus 1938 pseudodentata Uyeki 1932 pinnatifida Franch. & Sav. 1878 dentata var. pinnatifida (Franch. & Sav.) Matsum. 1891 dentata var. grandifolia Koidz. 1912 dentata var. skworzovii Kozlov 1933 |
Local names | daimyo oak; kashiwa oak; hu shu ; |
Range | Japan, Korea, China; 100-2700 m; introduced in Europe in 1830; |
Growth habit | may reaches
15 m, but is most often stunted; crown sparse, loose; |
Leaves | 15-30 x 6-20
cm, and more; semi-persistent; oboval; leathery; crowded towards branchlet
apex; base attenuate, narrow, rounded to heart-shaped; margin sinuate-lobed;
lobes rounded apically; dark green, rough above; pubescent below; 4-10
vein pairs; petiole 2-15 mm, stout, hairy; |
Flowers | April-May; female
flowers at the end of new shoots; |
Fruits | acorn 1.5-2.2
cm, ovoid, hairless; sessile cup 1 cm wide, with brownish tomentose, reflexed
scales, covering 1/2 or 1/3 of nut; matures in 1 year; |
Bark, twigs and |
bark
thick, corky, strongly furrowed, dark brown; branchlet sulcate, densely
pubescent, becoming hairless and brown; bud conic to rounded, tawny, 1
cm; |
Hardiness zone, habitat | hardy; prefers acidic soils; slow growing; can't stand spring frost; |
Miscellaneous |
-- A. Camus : n° 122;
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Subspecies and varieties |
2
subspecies: -- 2/ subsp yunnanensis
(Franch.) Menitsky 1973 |
Pictures |
drawing
1 (Q.dentata)
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