One of the photos below is tansy. It is a stout aromatic perennial with pinnate leaves. The flower heads are small, flat-topped, button-like and golden-yellow. The leaves are finely divided and feathery.
It is widespread and frequent and often found along disused railway lines, on canal towpaths and other waste places.
Tansy is believed to have derived from the Greek "athanasia", immortality, which is reference to the flowers which are long-lasting when dried. Its other common names, which always refer to the flower-heads, are golden buttons, bitter buttons, bachelor's buttons, buttons and scented fern - the later being reference to the fern-like leaves.
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Buddleia
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Butterbur
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Evening Primrose
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Himalayan Balsam
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Tansy
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Woad
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