Koshiabura - Koshiabura

Japanese: コシアブラ - こしあぶら
Koshiabura - Koshiabura

A deciduous tall tree of the Araliaceae family (APG classification: Araliaceae). It is 15 meters tall and has gray-brown bark. The leaves are palmately compound with 5 thin leaflets, each of which is ovate-oblong, 10-20 cm long, and has a long stalk 7-30 cm long. The flowers bloom in August in a pale yellow-green compound umbel with a long stalk at the end of the branches that grew that year. The fruits are berries that ripen to black in September and October. It is widely distributed in the mountains from Hokkaido to Kyushu, and its yellow leaves are beautiful in autumn. It was named after the resin liquid extracted from the bark and strained to make a paint (called gonzetsu). It is also called gonzetsunoki, based on the phonetic reading of kinzu.

The wood is used for making utensils such as boxes, chopsticks, ladles, and fan ribs, as well as for matchsticks. Young shoots are edible.

[Yuichi Kadota November 17, 2021]

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

ウコギ科(APG分類:ウコギ科)の落葉高木。高さ15メートル、樹皮は灰褐色。葉は5小葉からなる掌状複葉で、質は薄く、小葉は卵状長楕円(ちょうだえん)形、長さ10~20センチメートルで、7~30センチメートルの長い柄がある。花は8月、その年に伸びた枝の先に長い柄のある複散形花序に多数つき、淡黄緑色である。果実は液果で、9~10月に黒く熟す。北海道から九州にかけての山地に広く分布し、秋の黄葉は美しい。樹皮から樹脂液をとり、漉(こ)して塗料(金漆(ごんぜつ)という)をつくったのでこの名がある。金漆の音読みをもとにゴンゼツノキともいう。

 材は箱、箸(はし)、杓子(しゃくし)、扇子の骨などの器具材のほか、マッチの軸としても利用する。若芽は食用となる。

[門田裕一 2021年11月17日]

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