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{{Taxobox
{{SPlantbox
| color = lightgreen
|familia=Asteraceae
| name = Sneezewort
|genus=Achillea
| image = Achilleaptarmica.jpg
|species=ptarmica
| image_width = 240px
|common_name=Sneezewort, Sneezeweed, Bastard Pellitory, European Pellitory, Etc.
| regnum = [[Plant]]ae
|name_ref=Wikipedia
| divisio = [[Magnoliophyta]]
|habit=herbaceous
| classis = [[Magnoliopsida]]
|habit_ref=Flora - A Gardener's Encyclopedia
| ordo = [[Asterales]]
|Max ht box=30
| familia = [[Asteraceae]]
|Max ht metric=in
| genus = ''[[Achillea]]''
|height_ref=Flora - A Gardener's Encyclopedia
| species = '''''A. ptarmica'''''
|Max wd box=30
| binomial = ''Achillea ptarmica''
|Max wd metric=in
| binomial_authority = [[Carolus Linnaeus|L.]]
|width_ref=Flora - A Gardener's Encyclopedia
|exposure=sun
|sun_ref=Flora - A Gardener's Encyclopedia
|features=flowers, ground cover
|flower_season=early summer, mid summer, late summer
|flower_ref=Flora - A Gardener's Encyclopedia
|flowers=white
|Temp Metric=°F
|min_zone=6
|usda_ref=Flora - A Gardener's Encyclopedia
|max_zone=10
|image=Sneezewort (Achillea ptarmica).jpg
|image_width=240
}}
}}
'''''Achillea ptarmica''''' ('''Sneezewort''', '''Sneezeweed''', '''Bastard Pellitory''', '''European Pellitory''', '''Fair-maid-of-France''', '''Goose Tongue''', '''Sneezewort Yarrow''', '''Wild Pellitory''', '''White Tansy''') is a species in the genus ''[[Achillea]]''. It has loose clusters of white, button-like [[flower]]s that bloom from June to August. Its dark green [[Leaf|leaves]] have finely-toothed margins.
'''''Achillea ptarmica''''' ('''Sneezewort''', '''Sneezeweed''', '''Bastard Pellitory''', '''European Pellitory''', '''Fair-maid-of-France''', '''Goose Tongue''', '''Sneezewort Yarrow''', '''Wild Pellitory''', '''White Tansy''') is a species in the genus ''[[Achillea]]''. It has loose clusters of white, button-like [[flower]]s that bloom from June to August. Its dark green [[Leaf|leaves]] have finely-toothed margins.
The name ''ptarmica'' comes from the [[Greece|Greek]] word ''ptairo'' (=sneeze) and means 'causes sneezing'.
The name ''ptarmica'' comes from the [[Greece|Greek]] word ''ptairo'' (=sneeze) and means 'causes sneezing'.
Like many other plants, the sneezewort's pattern of development displays the [[Fibonacci number|Fibonacci sequence]].<ref name="Britton">{{cite web |url= http://britton.disted.camosun.bc.ca/fibslide/jbfibslide.htm |title= Fibonacci Numbers in Nature |author= Jill Britton |format= [[html]] |date= 7 May 2005 |quote= }}</ref>
The plant is poisonous to cattle, sheep, and horses.
{{Inc|
Achillea ptarmica, Linn. (A. macrocephala, Pill. & Mitterb.). Sneezewort. Height 1-2 ft.: lvs. serrate: fls. in loose corymbs; all summer. North temperate regions.— Its full-double var. The Pearl is much used for cut-flowers and in cemeteries, and is one of the most popular of all hardy herbaceous plants. There are many other varieties.{{SCH}}
}}
==Cultivation==
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===Propagation===
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===Pests and diseases===
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==Species==
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==Gallery==
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==References==
==References==
* {{cite book | author=[[L. H. Bailey|Bailey, L. H.]] | title=[http://www.gutenberg.org/etext/9550 Manual of Gardening (Second Edition).] | year=[[2005]] | publisher=[[Project Gutenberg|Project Gutenberg Literary Archive Foundation]]}}
*[[Standard Cyclopedia of Horticulture]], by L. H. Bailey, MacMillan Co., 1963
<!--- xxxxx *Flora: The Gardener's Bible, by Sean Hogan. Global Book Publishing, 2003. ISBN 0881925381 -->
<!--- xxxxx *American Horticultural Society: A-Z Encyclopedia of Garden Plants, by Christopher Brickell, Judith D. Zuk. 1996. ISBN 0789419432 -->
<!--- xxxxx *Sunset National Garden Book. Sunset Books, Inc., 1997. ISBN 0376038608 -->
==External links==
*{{wplink}}
{{stub}}
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