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Ontario Weeds: Scentless chamomile

Author: OMAFRA Staff
Creation Date: 01 June 2000
Last Reviewed: 01 November 2003

Return to the Ontario Weeds Gallery

Excerpt from Publication 505, Ontario Weeds, Order this publication

Table of Contents

  1. Name
  2. Other Names
  3. Family
  4. General Description
  5. Stems and Roots
  6. Habitat
  7. Related Links

Name: Scentless chamomile, Matricaria perforata Merat,

Other Names: MATMG, matricaire inodore, Scentless mayweed, matricaire maritime, Matricaria maritima L. var. agrestis (Knaf) Wilmott, Matricaria inodora L.

Family: Composite or Aster Family (Compositae) 

General Description: Very similar to both Pineappleweed and Stinking mayweed. It is a short-lived perennial or sometimes annual, closely resembling Stinking mayweed with its large yellow-centered flower heads with white ray florets, but it is usually taller (up to 75 cm, 30 in.) and more branched.

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Photos and Pictures

Scentless Chamomile

Scentless Chamomile

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Stems & Roots: Its stems below the flower heads are smooth and hairless, and the whole plant is virtually without odour.

Habitat: It occurs sporadically in Ontario in waste places and roadsides, but is becoming a significant weed in pastures and some cultivated fields.

Related Links

... on general Weed topics
... on weed identification, order OMAFRA Publication 505: Ontario Weeds
... on weed control, order OMAFRA Publication 75: Guide To Weed Control

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