Matricaria discoidea DC.

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Matricaria discoidea

Photo: Mark Hyde
Derwent Grange Farm, County Durham

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Kent number: 135/59/2
BRC number: 920001242
Synonyms: Chamomilla suaveolens (L.) Rauschert
Matricaria matricarioides (Less.) Porter
Matricaria suaveolens (Pursh) Buchenau non L.
Common names: Pineapple Weed
Rayless Mayweed
Frequency: Common
Status: Neophyte
BSBI Species Code: A1
Description:
Annual erect aromatic herb to 30 cm. Leaves 2-3-pinnatisect with linear segments. Heads greenish-yellow, without ray-florets. Phyllaries oblong with broad scarious margins. Receptacle conical, hollow. Achenes weakly 3-4-ribbed on the inner face and an obscure rim at apex.
Derivation of specific name: disc-like (referring here to the absence of rays florets)
Habitat: Roadsides, paths and gateways, especially where subject to trampling.
Altitude range: (metres)
Flowering time: Jun - Jul
Worldwide distribution: Probably native to NE Asia; widespread as an introduction in N America, Europe, parts of S America and New Zealand
Growth form:
Insects (whose larvae eat this species):
Literature:
Endemic status:
Red data list status:
Spot characters: Display spot characters for this species
Comments:
Content last updated: Wednesday 25 June 2008

Other sources of information about Matricaria discoidea:

GRIN (Germplasm Resources Information Network) taxonomy for plants report for Matricaria discoidea
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Copyright: Mark Hyde, 2008-18

Hyde, M.A. (2018). UK Flora: Species information: Matricaria discoidea.
http://www.ukflora.info/speciesdata/species.php?species_id=159100, retrieved 18 February 2018

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