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, 12:08, 14 April 2007
{{Taxobox
| color = lightgreen
| name = Sneezewort
| image = Achilleaptarmica.jpg
| image_width = 240px
| regnum = [[Plant]]ae
| divisio = [[Magnoliophyta]]
| classis = [[Magnoliopsida]]
| ordo = [[Asterales]]
| familia = [[Asteraceae]]
| genus = ''[[Achillea]]''
| species = '''''A. ptarmica'''''
| binomial = ''Achillea ptarmica''
| binomial_authority = [[Carolus Linnaeus|L.]]
}}
'''''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.
This is a hardy, drought-tolerant plant that prefers full sun and moist but well-drained [[soil]].
The name ''ptarmica'' comes from the [[Greece|Greek]] word ''ptairo'' (=sneeze) and means 'causes sneezing'.
actually happens to have the growth pattern of the Fibonacci sequence.
==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]]}}
[[Category:Asteraceae]]