Oak (Quercus acutissima)

Japanese: クヌギ(櫟) - クヌギ（英語表記）Quercus acutissima

Also written as 'Kunage'. A deciduous tall tree of the Fagaceae family. It is found in Japan, the Korean peninsula, and China. It grows naturally in the mountains and fields, but was once planted as firewood and charcoal. Along with Konara, it is a typical tree species found in secondary forests throughout Japan. The leaves are oblong, 12-15 cm long, and sawtoothed. Mature leaves are hairless and smooth, very similar to chestnut leaves. Flowers bloom in early spring as the leaves grow. Male flowers hang down as yellow spikes 4-6 cm long, and female flowers are small and grow at the ends of branches. The fruit is a cupule. It is flattened and spherical, densely covered with thin scales, and is a deep yellowish brown color.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

椚とも書く。ブナ科の落葉高木。日本，朝鮮半島，中国に分布する。山野に自生するが，昔は薪炭材として植林された。コナラとともに日本各地の2次林の代表的な樹種である。葉は長楕円形で長さ 12～15cm，鋸歯があり，成葉は無毛でなめらか，クリの葉によく似ている。花は早春葉の伸びるのとともに開花する。雄花は長さ4～6cmの黄色の穂として垂れ下がり，雌花は小さくて枝先につく。果実は殻斗 (かくと) をなす。その形は平らな球形で細い鱗片に密におおわれ，濃黄褐色を呈する。

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