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Meadow Thistle

Cirsium dissectum (L.) Hill

Associations

provided by BioImages, the virtual fieldguide, UK
In Great Britain and/or Ireland:
Foodplant / internal feeder
larva of Chaetostomella cylindrica feeds within capitulum of Cirsium dissectum
Remarks: Other: uncertain

Plant / resting place / within
puparium of Phytomyza autumnalis may be found in leaf-mine of Cirsium dissectum

Foodplant / parasite
mostly hypophyllous telium of Puccinia calcitrapae parasitises live leaf of Cirsium dissectum

Foodplant / parasite
pycnium of Puccinia dioicae var. dioicae parasitises live Cirsium dissectum

Foodplant / feeds on
larva of Terellia ruficauda feeds on Cirsium dissectum

Foodplant / pathogen
embedded sorus of Thecaphora trailii infects and damages capitulum of Cirsium dissectum
Remarks: season: 7-8

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Cirsium dissectum

provided by wikipedia EN

Cirsium dissectum, also known as meadow thistle,[2] is an erect perennial herb. It is found in England, Wales, Ireland, France, the Netherlands, Germany, Italy, Spain, Hungary, Norway, etc. It is found in fens and less acidic peat bogs i.e. it prefers damp boggy areas.[1][3]

Description

Cirsium dissectum grows 15 to 50 cm tall. It resembles a more slender version of Cirsium heterophyllum in having a grooved cottony stem and lanceolate shaped leaves, that have prickles and not spines. However the leaves are narrower (under 3 cm), less hairy underneath, and hairy on top.[4]

The flower heads are 2 to 3 cm long, the florets being dark red/purple, flowering from June until August.[4]

The plant has runners.[4]

Similar species

Cirsium tuberosum or tuberous thistle, has tuberous roots rather than runners, and the leaves are twice pinnated. It is found in Calcareous grasslands but very rare. It has been recorded in Britain in the counties of Cambridgeshire, Glamorgan, and Wiltshire.[4]

It flowers from June until July.[4]

References

  1. ^ a b Altervista Flora Italiana, Cardo sbrandellato, Cirsium dissectum (L.) Hill
  2. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  3. ^ Rose, Francis (1981). The Wild Flower Key. Frederick Warne & Co. pp. 382–383. ISBN 0-7232-2419-6.
  4. ^ a b c d e Wildflowers of the British Isles
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Cirsium dissectum: Brief Summary

provided by wikipedia EN

Cirsium dissectum, also known as meadow thistle, is an erect perennial herb. It is found in England, Wales, Ireland, France, the Netherlands, Germany, Italy, Spain, Hungary, Norway, etc. It is found in fens and less acidic peat bogs i.e. it prefers damp boggy areas.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN