A perennial plant of the Lamiaceae family (APG classification: Lamiaceae) that grows in the shade of trees in the mountains. It has several thick roots, a square stem that is 20-50 cm tall and often has a sideways base. The leaves are opposite and have petioles, and the leaf blade is triangular spear-shaped and 5-10 cm long. The leaf shape resembles the bridge that supports the strings of a koto, which is why it is also called Kotojisou. In autumn, it produces sparse, two-lipped, crimson-purple flowers about 3 cm long at the end of the stems. Its distribution is limited to the Hokuriku region and the eastern part of the Chugoku region. The species with yellow flowers is called S. nipponica Miq. and is found in Honshu, Shikoku, and Kyushu. There are more than 900 species in the S. genus, which are widely distributed throughout the world. [Gen Murata August 20, 2021] Akigiri has pale yellow flowers. In autumn, bilabial flowers bloom sparsely at the end of the stem. ©Shogakukan "> Yellow autumn chrysanthemum flower Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
シソ科(APG分類:シソ科)の多年草で、山の木陰に生える。数個の太い根があり、茎は方形で高さ20~50センチメートル、基部が横に倒れていることが多い。葉は対生して葉柄があり、葉身は三角状矛(ほこ)形で長さ5~10センチメートル。葉の形が、琴の弦を支える琴柱(ことじ)に似ているのでコトジソウの名もある。秋、茎の先にまばらに、長さ3センチメートルくらいの紅紫色で二唇形の花をつける。分布は北陸から中国地方の東部までに限られる。黄色い花をつけるものをキバナアキギリS. nipponica Miq.といい、本州、四国、九州に分布。アキギリ属は900種以上あり広く世界中に分布する。 [村田 源 2021年8月20日] 淡黄色の花をつけるアキギリ。秋、茎の先に二唇形の花をまばらにつける©Shogakukan"> キバナアキギリの花 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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