A deciduous shrub of the Malvaceae family. It is found in Kyushu, the Ryukyu Islands, and southern China, and is widely cultivated in gardens. It grows to a height of 1.5-3 m and is covered with star-shaped hairs. The leaves are alternate and have 10-20 cm stalks. The leaf blade is pentagonal-cordate with 3-7 shallow lobes, and is 10-20 cm long and 10-20 cm wide. It flowers from August to September. The flowers are 7-13 cm in diameter with 5 petals, pale pink or rarely white, and in some cultivated species the flowers are white but turn pale pink when they wilt. The bases of the petals are fused, and the tip of the style is 5 lobed and topped with a round stigma. The fruit is 2.5-3 cm in diameter, spherical, covered with yellowish, stiff hairs, and splits into 5 pieces when ripe, scattering seeds with hairs on one side. The bark is used as a secondary material for Japanese paper. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
アオイ科の落葉低木。九州,琉球列島,中国南部に分布し,広く庭園に栽培される。高さ 1.5~3mになり,全体に星状毛が生える。葉は 10~20cmの柄があって互生し,葉身は五角状円心形で浅く3~7裂し,長さ,幅とも 10~20cm。花期は8~9月。花は径7~13cmの5弁花で,色は淡紅色,まれに白色,また,白色であるがしぼむと淡紅色になる栽培種もある。花弁の基部は癒合し,花柱の先は5裂し丸い柱頭が乗る。果は径 2.5~3cmの球形,黄色っぽく硬い毛におおわれ,熟すと5片に割れ,片側に毛の生えた種子を散らす。樹皮は和紙の補助材料となる。
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