It is a deciduous shrub of the Rosaceae family that resembles plum blossoms but has yellow petals. It is a member of the Potentilla genus and can grow to a height of 50-100cm, occasionally reaching 1.5m. The leaves are alternate and odd-pinnately compound, with leaflets that usually have five in number, hence the English name shrubby cinquefoil. It has large stipules. In summer, it produces yellow flowers with five petals and a diameter of 2-3cm. When cultivated on flat land, it blooms in May and June. It has five sepals and paracalyxes, and many stamens and pistils. The fruit is thin and hairy. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
梅の花に似ているが,花弁は黄色のバラ科落葉低木。キジムシロ属植物で,草丈50~100cm,まれに1.5mにもなる。葉は互生し,奇数羽状複葉で小葉は通常5枚であるところからshrubby cinquefoilの英名もある。大きな托葉がある。夏に,黄色5花弁,直径2~3cmの花をつける。平地での栽培では5~6月に開花する。萼片および副萼片は5枚,おしべ・めしべともに多数。果実は瘦果(そうか)で,長毛がある。
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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