Flowers of plants bloom at roughly the same time depending on the season and type. Taking advantage of this property, a flower bed is a combination of flowers that open and close at different times. The idea of a flower clock is said to have originated when botanist Linnaeus saw that flowers opened and closed at roughly the same time and thought that they could serve as a substitute for a clock, and planted them on the campus of Uppsala University in Sweden around 1750. The flowering of flowers is greatly influenced by their place of origin, season, weather, and type, making it very difficult to actually use them. Nowadays, flower clocks are decorative, with a mechanical clock installed separately from the flowering time, and plants with beautiful flowers and leaves planted on the part that becomes the dial. The face of the clock is usually tilted at about 15 degrees to make it easy to read. Well-known overseas are those in the Royal Botanic Gardens of Edinburgh in the UK and Geneva in Switzerland, while in Japan there are those in front of Kobe City Hall (1957), the Kanagawa Prefectural Flower Center Ofuna Botanical Gardens (1967), as well as Komazawa Olympic Park in Tokyo, in front of Sapporo Civic Hall (1958), Otofuke Town in Hokkaido, and Matsubara Park in Toi Port, Izu City, Shizuoka Prefecture (1991). [Yasuo Hori] [References] |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
植物の花は季節、種類により、ほぼ定まった時刻に開花する。その性質を利用して、開閉時間の異なる花を組み合わせて植えた花壇をいう。この花時計の考え方は、植物学者のリンネが、ほぼ定まった時刻に花が開閉するのを見て時計のかわりになると考え、1750年ごろスウェーデンのウプサラ大学の構内に植栽したのが本格的な始まりといわれている。花の開花は、原産地、季節、天候、種類によって大きく左右され、実際の利用にはたいへんむずかしい面が多い。現在では、花の開花時刻とは別に機械による時計を設置し、文字盤になる部分に花や葉の美しい植物を植えた、装飾的な花時計となっている。また時計盤になる面は、普通15度程度傾斜させて見やすいようにくふうされている。外国ではイギリスのエジンバラ王立植物園、スイスのジュネーブのものが知られ、日本では神戸市市役所前(1957)、神奈川県立フラワーセンター大船植物園(1967)などのほか、東京都駒沢(こまざわ)オリンピック公園、札幌市市民会館前(1958)、北海道音更(おとふけ)町、静岡県伊豆市土肥(とい)港の松原公園(1991)などに設置されている。 [堀 保男] [参照項目] |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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