Matricaria discoidea

Rounded Chamomille at Gordon, ACT

Matricaria discoidea at Gordon, ACT - 28 Oct 2015
Matricaria discoidea at Gordon, ACT - 28 Oct 2015
Matricaria discoidea at Gordon, ACT - 28 Oct 2015
Matricaria discoidea at Gordon, ACT - 28 Oct 2015
Matricaria discoidea at Gordon, ACT - 28 Oct 2015
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Identification history

Matricaria discoidea 17 Dec 2015 michaelb
chamomilla suaveolens 16 Dec 2015 galah681
Unidentified 13 Dec 2015 BettyDonWood
Unidentified 13 Dec 2015 BettyDonWood

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Significant sighting

michaelb noted:
17 Dec 2015

According to David Albrecht from the Australian National Herbarium (CSIRO), this species has not previously been recorded for the ACT.

User's notes

Sighting verified by David Albrecht from the CSIRO and Betty Woods.

13 comments

BettyDonWood wrote:
   14 Dec 2015
I am pretty sure this is a teasel. However, the leaves in no way fit the description of Dipsacus fullonum in PlantNET. It needs to go to someone eg at the Australian National Herbarium, who has access to the European and American Floras.
BettyDonWood wrote:
   14 Dec 2015
The leaves of Dipsacus laciniatus fit the photo better. However, I am basing this only on photos. I have not been able to find a decent description.
michaelb wrote:
   14 Dec 2015
Hi Betty. I had a look at images of both species of Dipsacus that you've mentioned, and neither of them have leaves that are similar. I thought it was a short lived annual daisy. I will return to the scene and see if I can find any remains of the plants for ID. Otherwise, I will have to wait until next year to get a specimen for ANBG to look at.
BettyDonWood wrote:
   15 Dec 2015
The leaves are very daisy-like. However, both Don and I separately took one look at the flower head and said Dipsacus. I don't know any daisy that looks anything like this.
michaelb wrote:
   15 Dec 2015
Hi Betty. I revisited the site yesterday and found a small but withered specimen of the plant, and I've added photos of it. The plant was only 8cm long including the roots. There is a small flower present, and the remains of spent flowers. There is no evidence of the prickly seed-head that Dipsacus plants have. What do you think?
BettyDonWood wrote:
   16 Dec 2015
I have no idea what it is, given the size it is. It just goes to show how one can be completely mistaken when looking at a photo with no idea of the plant size.
michaelb wrote:
   16 Dec 2015
Fair enough. The additional set of photos was of a particularly small plant. But if you look at the second photo, which shows the background, including grass clippings and some weeds, it gives you a reasonable idea that original plant was quite small. I might have a go next year at getting a decent specimen for ANBG to look at. Thanks for trying.
Mike wrote:
   16 Dec 2015
It looks like Matricaria matricarioides (rounded chamomile) see Richardson & Richardson p.179 also known as M. discoidea. The ACT Census has Artemisia recutita but I haven't found any photos.
michaelb wrote:
   16 Dec 2015
Thanks Mike. That is an excellent suggestion. The photos on the internet look very close. Also PlantNet has Matricaria matricarioides as naturalised on the Southern Tablelands.
galah681 wrote:
   17 Dec 2015
I photographed a plant that looked very like this when I was in Cornwall in October. I think it was Chamomilla suaveolens - Pineapple mayweed. It grows in wasteland and originates from NE Asia
Mike wrote:
   17 Dec 2015
Synonyms. According to one photo on Google Search - Disc Mayweed, Pineapple Weed: Matricaria discoidea (Synonyms: Chamomilla suaveolens, Matricaria matricarioides). Atlas of Living Australia gives accepted name Matricaria chamomilla.
michaelb wrote:
   17 Dec 2015
Thanks Galah and Mike. When I set up the suggested name I used the PlantNET definition, which has Matricaria matricarioides as the accepted name, and Chamomilla suaveolens as a synonym.
michaelb wrote:
   17 Dec 2015
Betty as told me that the Atlas is more reliable than PlantNET, so I've changed the name to Matricaria chamomilla.

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Location information

Sighting information

  • 50 Abundance
  • 28 Oct 2015 06:55 PM Recorded on
  • michaelb Recorded by

Species information

  • Matricaria discoidea Scientific name
  • Rounded Chamomille Common name
  • Not Sensitive
  • Exotic
  • Minor Weed or Pest
  • Up to 580m Recorded at altitude
  • Machine learning
  • In flower
  • External link More information
  • Synonyms

    Chamomilla suaveolens Matricaria matricarioides
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