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{{Taxobox
| color = lightgreen
| name = Tansy
| image = Unknown tall yellow flower bgiu.jpg
| image_width = 240px
| regnum = [[Plant]]ae
| divisio = [[Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Asterales]]
| familia = [[Asteraceae]]
| genus = ''[[Tanacetum]]''
| species = '''''T. vulgare'''''
| binomial = ''Tanacetum vulgare''
| binomial_authority = [[Carolus Linnaeus|L.]]
}}
[[Image:Illustration Tanacetum vulgare0.jpg|thumb|240px|Illustration of a tansy]]
The '''Tansy''', '''Common Tansy''', or '''Golden Buttons''' (''Tanacetum vulgare'') is a perennial herbaceous [[flowering plant]] of the [[Asteraceae|aster]] family that is native to temperate [[Europe]] and [[Asia]]. It has also become established as an invasive wild plant in other parts of the world.
It is a flower herb with finely divided compound leaves and yellow, buttonlike flowers. It has a stout, somewhat reddish, erect stem, usually smooth, 50-150 cm tall, and branching near the top. The [[leaf|leaves]] are alternate, 10-15 cm long and are pinnately lobed, divided almost to the center into about seven pairs of segments or lobes which are again divided into smaller lobes having saw-toothed edges, thus giving the leaf a somewhat fernlike appearance. The roundish, flat-topped, buttonlike, yellow [[flower]] heads are produced in terminal clusters from mid to late summer. The scent is similar to that of [[camphor]] with hints of [[rosemary]]. The leaves and flowers are said to be [[poison]]ous if consumed in large quantities.
The plant's volatile oil is high in [[thujone]], a substance found in [[absinthe]] that can cause convulsions.
Tansy was formerly used as a flavouring for [[pudding]]s and [[omelet]]s, but that is almost unknown now. But they were certainly relished in days gone by, for [[John Gerard|Gerarde]] speaks of them as "pleasant in taste", and he recommends tansy sweetmeats as "an especial thing against the gout, if every day for a certain space a reasonable quantitie thereof be eaten fasting". According to liquor historian [[A. J. Baime]]'s book Big Shots, bourbon magnate [[Jack Daniel]] enjoyed drinking his bourbon with sugar and crushed tansy leaf. It has also been used as a [[herbalism|medicinal herb]]. Bitter tea made with the blossoms of ''T. vulgare'' has been effectively used for centuries as an [[anthelmintic]] (vermifuge). Note that only ''T. vulgare'' is used in medicinal preparations; all species of tansy are toxic, and an overdose can be fatal. As a natural insect repellent, it was often planted next to kitchen doors to keep [[ant]]s out. Some insects, notably the [[tansy beetle]], have evolved resistance to tansy and live almost exclusively on it.
{{TotallyDisputed}}
Tansy is now being used as a girl's name in the United Kingdom, because many people think it is a beautiful herb.{{Fact|date=March 2007}}
==Ethnomedical Uses==
The dried flowering herb of ''Tanacetum'' is used [[ethnomedical]]ly to treat [[migraine]], [[neuralgia]], and [[rheumatism]], and as an [[antihelminthic]], in conjunction with a competent [[herbalist]] to circumvent any possible [[toxicity]].
Other common names include Bitter button, Cow bitter, Golden button, and Mugwort.
A portion of a nineteenth-century poem by [[John Clare]] describes the delight of tansy and other herbs:<br />
''And where the marjoram once, and sage, and rue,''<br />
''And balm, and mint, with curl'd-leaf parsley grew,'' <br />
''And double marigolds, and silver thyme,'' <br />
''And pumpkins 'neath the window climb;'' <br />
''And where I often, when a child, for hours'' <br />
''Tried through the pales to get the tempting flowers,''<br />
''As lady's laces, everlasting peas,'' <br />
''True-love-lies-bleeding, with the hearts-at-ease,'' <br />
''And golden rods, and tansy running high,'' <br />
''That o'er the pale-tops smiled on passers-by.''<br />
From "The Cross Roads; or, The Haymaker's Story", available from a [http://www.gutenberg.org/etext/8672 collection] at Project Gutenberg.
==See also==
*[[Ragwort]] (''Senecio jacobaea'') which in some regions is called "tansy ragwort"
[[Category:Asteraceae]]
[[Category:Abortifacients]]
[[Category:Flora of Europe]]
[[Category:Flora of Estonia]]
[[Category:Flora of the United Kingdom]]
[[Category:Medicinal plants]]
| color = lightgreen
| name = Tansy
| image = Unknown tall yellow flower bgiu.jpg
| image_width = 240px
| regnum = [[Plant]]ae
| divisio = [[Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Asterales]]
| familia = [[Asteraceae]]
| genus = ''[[Tanacetum]]''
| species = '''''T. vulgare'''''
| binomial = ''Tanacetum vulgare''
| binomial_authority = [[Carolus Linnaeus|L.]]
}}
[[Image:Illustration Tanacetum vulgare0.jpg|thumb|240px|Illustration of a tansy]]
The '''Tansy''', '''Common Tansy''', or '''Golden Buttons''' (''Tanacetum vulgare'') is a perennial herbaceous [[flowering plant]] of the [[Asteraceae|aster]] family that is native to temperate [[Europe]] and [[Asia]]. It has also become established as an invasive wild plant in other parts of the world.
It is a flower herb with finely divided compound leaves and yellow, buttonlike flowers. It has a stout, somewhat reddish, erect stem, usually smooth, 50-150 cm tall, and branching near the top. The [[leaf|leaves]] are alternate, 10-15 cm long and are pinnately lobed, divided almost to the center into about seven pairs of segments or lobes which are again divided into smaller lobes having saw-toothed edges, thus giving the leaf a somewhat fernlike appearance. The roundish, flat-topped, buttonlike, yellow [[flower]] heads are produced in terminal clusters from mid to late summer. The scent is similar to that of [[camphor]] with hints of [[rosemary]]. The leaves and flowers are said to be [[poison]]ous if consumed in large quantities.
The plant's volatile oil is high in [[thujone]], a substance found in [[absinthe]] that can cause convulsions.
Tansy was formerly used as a flavouring for [[pudding]]s and [[omelet]]s, but that is almost unknown now. But they were certainly relished in days gone by, for [[John Gerard|Gerarde]] speaks of them as "pleasant in taste", and he recommends tansy sweetmeats as "an especial thing against the gout, if every day for a certain space a reasonable quantitie thereof be eaten fasting". According to liquor historian [[A. J. Baime]]'s book Big Shots, bourbon magnate [[Jack Daniel]] enjoyed drinking his bourbon with sugar and crushed tansy leaf. It has also been used as a [[herbalism|medicinal herb]]. Bitter tea made with the blossoms of ''T. vulgare'' has been effectively used for centuries as an [[anthelmintic]] (vermifuge). Note that only ''T. vulgare'' is used in medicinal preparations; all species of tansy are toxic, and an overdose can be fatal. As a natural insect repellent, it was often planted next to kitchen doors to keep [[ant]]s out. Some insects, notably the [[tansy beetle]], have evolved resistance to tansy and live almost exclusively on it.
{{TotallyDisputed}}
Tansy is now being used as a girl's name in the United Kingdom, because many people think it is a beautiful herb.{{Fact|date=March 2007}}
==Ethnomedical Uses==
The dried flowering herb of ''Tanacetum'' is used [[ethnomedical]]ly to treat [[migraine]], [[neuralgia]], and [[rheumatism]], and as an [[antihelminthic]], in conjunction with a competent [[herbalist]] to circumvent any possible [[toxicity]].
Other common names include Bitter button, Cow bitter, Golden button, and Mugwort.
A portion of a nineteenth-century poem by [[John Clare]] describes the delight of tansy and other herbs:<br />
''And where the marjoram once, and sage, and rue,''<br />
''And balm, and mint, with curl'd-leaf parsley grew,'' <br />
''And double marigolds, and silver thyme,'' <br />
''And pumpkins 'neath the window climb;'' <br />
''And where I often, when a child, for hours'' <br />
''Tried through the pales to get the tempting flowers,''<br />
''As lady's laces, everlasting peas,'' <br />
''True-love-lies-bleeding, with the hearts-at-ease,'' <br />
''And golden rods, and tansy running high,'' <br />
''That o'er the pale-tops smiled on passers-by.''<br />
From "The Cross Roads; or, The Haymaker's Story", available from a [http://www.gutenberg.org/etext/8672 collection] at Project Gutenberg.
==See also==
*[[Ragwort]] (''Senecio jacobaea'') which in some regions is called "tansy ragwort"
[[Category:Asteraceae]]
[[Category:Abortifacients]]
[[Category:Flora of Europe]]
[[Category:Flora of Estonia]]
[[Category:Flora of the United Kingdom]]
[[Category:Medicinal plants]]