It is a perennial plant of the Crassulaceae family with sawtoothed leaves and yellow flowers that bloom from May to July in large numbers in cymes (illustration). It is thought that the name Korinsou comes from this appearance, but there is also a theory that it is Kirinso. In Japan, it is distributed from Kyushu to Hokkaido, and there are many variations. It has been cultivated since the Edo period. Those from Hokkaido are called Ezokirinsou, and the stems branch out well and become woody at the bottom. Overwintering buds form above ground and send out stolon underground. Kirinso on the coast of Honshu grows upright and grows to about 30cm in height. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
ベンケイソウ科の多年草で,葉は鋸歯があり,花は5~7月に咲き黄色で集散花序に多数群が(イラスト)。その状態から黄輪草の名がついたと思われるが,麒麟草とする説もある。日本では九州から北海道に分布し,変異が多い。江戸時代から栽培される。北海道産のものはエゾキリンソウと呼ばれ,茎はよく分枝し,下部は木質化する。越冬芽は地上で形成し,地下に走出枝を出す。本州の海岸のキリンソウは直立し,高さが30cmくらいになる。
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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