热带或温带地区特别是北美的任何斑鸠菊属植物，因其紫红色的花冠很快变为锈色而得名。
Vernonia of tropical and warm regions of especially North America that take their name from their loose heads of purple to rose flowers that quickly take on a rusty hue.
热带或温带地区特别是北美的任何斑鸠菊属植物，因其紫红色的花冠很快变为锈色而得名。
Vernonia of tropical and warm regions of especially North America that take their name from their loose heads of purple to rose flowers that quickly take on a rusty hue.
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