It is a biennial plant of the Asteraceae family. It is completely hairless and exudes a milky juice when cut. The stem is 0.3-1 meter tall, rather thin and tough. The leaves are spoon-shaped and clasp the stem, are soft, and powdery white on the underside. From August to November, it produces many yellow flower heads, each about 1.5 centimeters in diameter. The flower heads consist of only ray flowers, and turn downward after flowering. The fruits have white bristly pappus, and are dispersed by the wind. It is commonly found growing on low, sunny mountains, and is distributed throughout Japan, the Korean peninsula, China, and Indochina. Its name comes from the fact that the leaf shape resembles the halo of the Medicine Buddha. The young leaves are boiled and soaked in water for consumption. [Tatsuyoshi Morita] It grows wild on roadsides in sunny mountain and field areas, and produces many yellow flower heads from August to November. ©Shogakukan Yakushisou It consists of only ray flowers, each about 15 mm in diameter. They turn downward after flowering. ©Seishohmaru "> Yakushisou flower Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
キク科の一、二年草。全体に無毛で、切ると乳液が出る。茎は高さ0.3~1メートル、やや細く堅い。葉はさじ形で茎を抱き、質は柔らかく、裏面は粉白を帯びる。8~11月、黄色で径約1.5センチメートルの頭花を多数つける。頭花は舌状花のみからなり、花期後に下を向く。果実には白色の剛毛状冠毛があり、風により散布される。日当りのよい低山に普通に生え、日本および朝鮮半島、中国、インドシナに分布する。名は、葉形が薬師如来(にょらい)の光背に似ることによる。若葉をゆでて水にさらし、食用とする。 [森田龍義] 日当りのよい山野の道端などに自生し、8~11月、黄色の頭花を多数つける©Shogakukan"> ヤクシソウ 舌状花のみからなり、径約15mm。花期後に下を向く©Seishohmaru"> ヤクシソウの花 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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