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''Achillea ptarmica'' (sneezewort, sneezeweed, bastard pellitory, European pellitory, fair-maid-of-France, goose tongue, sneezewort yarrow, wild pellitory, white tansy) is a European species of herbaceous perennial flowering plant in the genus ''Achillea''. It is widespread across most of Europe and naturalized in scattered places in North America.〔(Altervista Flora Italiana, Millefoglio palustre, Sneezewort, ''Achillea ptarmica'' L. ) includes photos and European distribution map〕〔(Flora of North America Vol. 19, 20 and 21 Page 494 Sneezeweed, sneezewort, achillée ptarmique, herbe-à-éternuer ''Achillea ptarmica'' Linnaeus, Sp. Pl. 2: 898. 1753. )〕〔(Biota of North America Program 2014 county distribution map )〕〔(The IUCN Red List of Threatened Species )〕 ''Achillea ptarmica'' has loose clusters of showy white, flower heads that bloom from June to August. Its dark green leaves have finely toothed margins. Like many other plants, the sneezewort's pattern of development displays the Fibonacci sequence. The name ''ptarmica'' comes from the Greek word ''ptairo'' (=sneeze) and means 'causes sneezing'. ==Uses== Leaves can be eaten raw or cooked. ''Achillea ptarmica'' yields an essential oil that is used in herbal medicine. The leaves are used as an insect repellent.〔(【引用サイトリンク】title= Plants for a Future, ''Achillea ptarmica'' )〕 The plant is poisonous to cattle, sheep, and horses. Symptoms are generally slow to develop, and include fever, rapid pulse, difficulty breathing, weight loss, drooling, spasms and loss of muscular control, and convulsions.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Achillea ptarmica」の詳細全文を読む スポンサード リンク
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