It is an annual or biennial plant of the Brassicaceae family (APG classification: Brassicaceae). The stem is 30-80 cm tall, well branched, and coarsely hairy. The leaves are deeply pinnately lobed, with oblong lobes that open out. Small yellow flowers bloom from April to July. The fruits are 1.0-1.2 cm long, have sharp tips, are covered with short soft hairs, and are attached to the branches with pressure. It is an introduced plant native to Europe and Western Asia. [Junko Kobayashi November 13, 2020] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
アブラナ科(APG分類:アブラナ科)の一、二年草。茎は高さ30~80センチメートルでよく分枝し粗毛がある。葉は羽状に深裂し、裂片は長楕円(ちょうだえん)形で開出する。4~7月、黄色の小花を開く。果実は長さ1.0~1.2センチメートル、先は鋭くとがり、短い軟毛があり、枝に圧着する。ヨーロッパ、西アジア原産の帰化植物である。 [小林純子 2020年11月13日] 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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