Achillea ptarmica

Sneezewort
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Achillea
Species:
A. ptarmica
Binomial name
Achillea ptarmica
Synonyms
Synonymy
  • Achillea acuminata Freyn 1895 not (Ledeb.) Sch.Bip. 1855
  • Achillea dracunculoides Desf.
  • Achillea fragilis Balb. ex DC.
  • Achillea grandis Fisch. ex Herd
  • Achillea ircutiana Sch.Bip.
  • Achillea lenensis Turcz. ex DC.
  • Achillea leucanthema Pers.
  • Achillea linearis Steud.
  • Achillea maxima Heimerl
  • Achillea multiplex P.Renault
  • Achillea partheniflora Fisch. ex Herder
  • Achillea serrulata Hornem.
  • Achillea sylvestris Gray
  • Alitubus pyrenaicus Dulac
  • Chamaemelum ptarmica (L.) E.H.L.Krause
  • Chrysanthemum ptarmicifolium Puschk. ex Willd.
  • Ptarmica vulgaris Blakw. ex DC.

Achillea ptarmica is a European species of herbaceous perennial flowering plant in the genus Achillea of the daisy family Asteraceae. Common names include the sneezewort, sneezeweed, bastard pellitory, European pellitory, fair-maid-of-France, goose tongue, sneezewort yarrow, wild pellitory, and white tansy. It is widespread across most of Europe and naturalized in scattered places in North America. It is native to Europe and western Asia.

Achillea ptarmica has loose clusters of showy white composite 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'.

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