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 (English) Rayless Mayweed (English)
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.
Notes:
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(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Wednesday 25 June 2008
Literature:

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Other sources of information about Matricaria discoidea:

External websites:

BHL (Biodiversity Heritage Library): Matricaria discoidea
EOL (Encyclopedia of Life): Matricaria discoidea
ePIC (electronic Plant Information Center): Matricaria discoidea
GBIF (Global Biodiversity Information Facility): Matricaria discoidea
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Matricaria discoidea
IPNI (International Plant Names Index): Matricaria discoidea
Ispot: Matricaria discoidea
JSTOR Plant Science: Matricaria discoidea
Kew Herbarium catalogue: Matricaria discoidea
Mansfeld World Database of Agricultural and Horticultural Crops: Matricaria discoidea
The Plant List (version 1.1): Matricaria discoidea
Tropicos: Matricaria discoidea


Copyright: Mark Hyde, 2008-20

Hyde, M.A. (2020). UK Flora: Species information: Matricaria discoidea.
https://www.ukflora.info/speciesdata/species.php?species_id=159100, retrieved 7 July 2020

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