A deciduous shrub of the Ericaceae family that grows on the edge of mountain forests (illustration). The leaves are broadly ovate and pointed, and have a slightly sour taste, hence the name "vinegar tree." The fruit turns black-purple when ripe and is edible. The stem branches sparsely upward and is about 1m tall. The leaves are 2-4cm long, 1-3cm wide, and have fine serrations. In April and May, short inflorescences grow from the sides of the leaves on the branches from the previous year, and 1-3 flowers open downward. The ovary is inferior. The corolla is bell-shaped, about 6mm long, and white with a reddish tinge. The fruit is spherical, 7mm in diameter, and contains several seeds. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
山地の林縁に生えるツツジ科の落葉低木(イラスト)。葉は広卵形でとがり,やや酸味があるので〈酢の木〉の名がある。果実は熟すと黒紫色になり,食べられる。茎は斜上してまばらに分枝し,高さ1mほど。葉は長さ2~4cm,幅1~3cm,細かな鋸歯がある。4~5月,前年の枝の葉のわきから短い花序を伸ばし,1~3個の花を下向きに開く。子房は下位。花冠は鐘形で長さ約6mm,白色で赤みを帯びる。果実は球形で径7mm,中に数個の種子がある。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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