菊科,一二年生草本。株高30-90公分。莖直立粗壯。葉對生,羽狀深裂,先端尖。頭狀花序,頂生,花梗粗壯,花色有黃色,橙黃至金黃,舌狀花倒卵形,中央管狀花,頂端具五齒裂,花期在秋冬。線形瘦果,黑色或褐色。 圖二:植株
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