Overview

Distribution

National Distribution

United States

Origin: Exotic

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Ecology

Associations

In Great Britain and/or Ireland:
Foodplant / parasite
Erysiphe buhrii parasitises Silene nutans

Foodplant / pathogen
embedded sorus of Microbotryum violaceum infects and damages live anther of Silene nutans

Foodplant / spot causer
amphigenous colony of Ramularia hyphomycetous anamorph of Ramularia didymarioides causes spots on live leaf of Silene nutans

Foodplant / parasite
amphigenous telium of Uromyces inaequialtus parasitises live leaf of Silene nutans

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Silene nutans

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Silene nutans

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 6
Specimens with Barcodes: 10
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNA - Not Applicable

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NatureServe Conservation Status

Rounded Global Status Rank: GNR - Not Yet Ranked

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Wikipedia

Silene nutans

Silene nutans is a flowering plant in the genus Silene, most commonly known as Nottingham catchfly.[3]

Description[edit]

Silene nutans is a diploid, mainly outcrossing, herbaceous, perennial plant.[4] It grows up to 25–80 centimetres (10–31 in) tall, from a branching, woody stock with a thick taproot.[5] The lower leaves are up to 75 millimetres (3 in) long, spathulate and have a long stalk, while leaves higher on the plant are lanceolate, subsessile and acute; all the leaves are covered in soft hairs.[5] The flowers are 18 millimetres (0.7 in) wide, 12 millimetres (0.5 in) long, and drooping, on short, viscid stalks. The petals are white or pinkish and divided into two narrow lobes. Each flower remains open for three nights as a means of preventing self-fertilisation; the flower reveals one whorl of stamens on the first night, the second whorl of stamens on the second night, and the three styles on the third night.[5] The seeds are 10–22 millimetres (0.4–0.9 in) wide and kidney-shaped.[5]

Distribution[edit]

Silene nutans is widespread across Europe, from southern Spain and Italy north to the British Isles and Scandinavia, and is also found across large parts of Asia.[2] It has been introduced to North America, where it is known as the Eurasian catchfly. It is found in the U.S. states of Michigan, Ohio, New York, Vermont and Maine.[6]

Silene nutans can sometimes be found in the very widespread MG1 (Arrhenatherum elatius grassland) community of the British National Vegetation Classification, and thus can be found where Arrhenatherum elatius (false oat grass) or Dactylis glomerata (cocksfoot) occur.[7]

Ecology[edit]

Silene nutans is a steppe species across most of its range. At the periphery of its distribution, it has a patchy distribution in xeric habitats, such as open grasslands and on rock outcrops at forest margins, on both acidic and alkaline substrates (pH 3.8–8.0).[4] In the far north of its range, S. nutans is characteristic of maritime cliffs.[8]

S. nutans flowers during the night, and produces a strong floral scent to attract its pollinators, which are mostly night-flying moths. Chemical compounds in the scent include benzyl acetate and benzaldehyde.[9]

S. nutans is the host plant for the leaf mining moth Coleophora galbulipennella.[10]

Nottingham[edit]

The common name Nottingham catchfly commemorates the former occurrence of S. nutans on the walls of Nottingham Castle,[11] and the species was chosen to represent the unitary authority of Nottingham as its county flower.[12] Despite this association, Nottingham catchflies no longer occur in either the city of Nottingham[13] or the wider county of Nottinghamshire.[14]

References[edit]

  1. ^ "Silene nutans". Integrated Taxonomic Information System. 
  2. ^ a b Jaakko Jalas & Juha Suominen, ed. (1988). Atlas florae Europaeae: distribution of vascular plants in Europe, Volume 3. Cambridge University Press. p. 416. ISBN 978-0-521-34272-8. 
  3. ^ "BSBI List 2007" (xls). Botanical Society of Britain and Ireland. Archived from the original on 2015-02-25. Retrieved 2014-10-17. 
  4. ^ a b Fabienne van Rossum, Xavier Vekemans, Pierre Meerts, Emmanuelle Gratia & Claude Lefèbvre (1997). "Allozyme variation in relation to ecotypic differentiation and population size in marginal populations of Silene nutans". Heredity 78 (5): 552–560. doi:10.1038/hdy.1997.86. 
  5. ^ a b c d "Silene nutans". Ecological Flora of the British Isles. Retrieved January 12, 2010. 
  6. ^ "Silene nutans L. (Eurasian catchfly)". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved January 12, 2010. 
  7. ^ John S. Rodwell (1992). Volume 3 - Grasslands and montane communities. British Plant Communities. ISBN 0-521-39166-0. 
  8. ^ Catherine A. G. Lloyd (ed.). "Maritime Cliff and Slope CE2". Tayside Local Biodiversity Action Plan. Angus Council. Retrieved January 12, 2010. 
  9. ^ A. Jürgens, T. Witt & G. Gottsberger (2002). "Flower scent composition in night-flowering Silene species (Caryophyllaceae)". Biochemical Systematics and Ecology 30 (5): 383–397. doi:10.1016/S0305-1978(01)00106-5. 
  10. ^ "551 Coleophora galbulipennella (Zeller,1858)". British Leafminers. Retrieved January 12, 2010. 
  11. ^ Henry Hurd Swinnerton (1910). "8. Natural History". Nottinghamshire. Cambridge County Geographies. 
  12. ^ Plantlife website County Flowers page
  13. ^ "The floral emblem of your county". Daily Telegraph. May 5, 2004. 
  14. ^ "Biodiversity". Nottinghamshire County Council. Retrieved January 12, 2010. 
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