北美洲的一种多年生植物，具有多毛的羽状基叶，紫色的花朵，果实顶端有宿存的羽毛状花柱。

North American perennial with hairy basal pinnate leaves and purple flowers and plume - tipped fruits.

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黄酮类化合物在植物的花、叶等部位广泛存。

Flavonoid widely exists in each parts of the plants, especially in the parts of flowers, leaves.

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黄酮类化合物在植物的花、叶等部位广泛存。

Flavonoid widely exists in each parts of the plants, especially in the parts of flowers, leaves.

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