黒樫
medium to large deciduous timber tree of the eastern United States and southeastern Canada having dark outer bark and yellow inner bark used for tanning broad five-lobed leaves are bristle-tipped
なめし法に暗い外皮と黄色い内側のほえ声を使用させる東米国と南東のカナダの大きい落葉性の材木用樹木への媒体 5つの裂片のある葉は刺毛が先端にある