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| an American weedy plant with small white or greenish flowers ❲Erechtites hieracifolia❳ | ||||
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| perennial herb native to Europe but naturalized elsewhere having heart-shaped leaves and yellow flowers resembling buttercups; perennial herb native to Europe but naturalized elsewhere having heart-shaped leaves and yellow flowers resembling buttercups; its tuberous roots have been used as a poultice to relieve piles ❲Ranunculus ficaria❳ |