Quercus dentata

 ( Dentata ) 

Quercus dentata, also called Japanese emperor oak, daimyo oak, or Korean oak

(, kashiwa; ; , tteokgalnamu), is a species of oak native to East Asia (Japan, Korea and China). The name of the tree is often translated as "sweet oak" in English to distinguish it from Western varieties. It is placed in section Quercus.

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Description Quercus dentata is a deciduous tree growing up to tall, with a trunk up to in diameter. Its foliage is remarkable for its size, among the largest of all oaks, consisting of a short hairy petiole, long, and a blade long and broad, with a shallowly lobed margin; the form is reminiscent of an enormous pedunculate oak leaf. The leaves are often retained dead on the tree into winter. Both sides of the leaf are initially downy with the upper surface becoming smooth.

The are produced in May; the male flowers are pendulous . The female flowers are sessile, growing near the tips of new shoots, producing 1.2–2.3 cm long and 1.2–1.5 cm broad, in broad, bushy-scaled cups; the acorns mature in September to October.

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Cultivation outside East Asia

Quercus dentata was introduced to the British Isles in 1830, where it is occasionally grown in . It is usually smaller in cultivation than in the wild, growing to a small angular tree or large irregular shrub. Notable specimens include one at Osterley Park, tall and 1.5 m girth, and the largest, tall, at Avondale Forest Park, County Wicklow, Ireland.Mitchell, A. F. (1974). "Field Guide to Trees in Britain and Europe." Collins.Phillips, R. (1978). "Trees in Britain, Europe and North America." Ward Lock.Lancaster, R. (1981). 'Hillier's Manual of Trees & Shrubs," 5th ed. Hillier and Sons.

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Culinary uses

In Korean cuisine, its acorns (in Hangul: 도토리, dotori) have been used since the Three Kingdoms. A notable food is dotorimuk.

In Japanese cuisine, its leaves are used as a wrapping for kashiwa mochi. Quercus dentata, with photos (pdf file; in Japanese)

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External links

• line drawing, Flora of China Illustrations vol. 4, fig. 360, 1

Categories: Dentata, Flora Of China, Flora Of Japan, Flora Of Korea, Trees Of Asia, Least Concern Plants, Least Concern Biota Of Asia, Plants Described In 1784, Taxa Named By Carl Peter Thunberg

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