Difference between revisions of "Cirsium nuttallii"

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(Ecology)
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===Pollination and use by animals===
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===Pollination===
''Cirsium nuttallii'' has been observed at the Archbold Biological Station to host bees from the Apidae family such as ''Apis mellifera'' and ''Bombus griseocollis'', sweat bees such as ''Halictus poeyi'' (family Halictidae), and leafcutting bees such as ''Lithurgus gibbosus'' (family Megachilidae).<ref>Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.</ref> The seeds are eaten by birds, but avoids herbivory from deer.<ref name="Naturescape">[[https://naturescapesofbeaufort.com/products-page/butterfly-larval-food-source/cirsium-nuttallii-coastal-tall-thistle/ Naturescapes of Beaufort, SC]]Accessed: December 7, 2015</ref> It is the larval host to the little metalmark butterfly.<ref name="What">[[https://whatfloridanativeplantisbloomingtoday.wordpress.com/2014/04/26/nuttalls-thistle-cirsium-nuttallii-2/ What Florida Native Plant is Blooming Today]]Accessed: December 7, 2015</ref>
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''Cirsium nuttallii'' has been observed at the Archbold Biological Station to host bees from the Apidae family such as ''Apis mellifera'' and ''Bombus griseocollis'', sweat bees such as ''Halictus poeyi'' (family Halictidae), and leafcutting bees such as ''Lithurgus gibbosus'' (family Megachilidae).<ref>Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.</ref>
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===Herbivory and toxicology===
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The seeds are eaten by birds, but avoids herbivory from deer.<ref name="Naturescape">[[https://naturescapesofbeaufort.com/products-page/butterfly-larval-food-source/cirsium-nuttallii-coastal-tall-thistle/ Naturescapes of Beaufort, SC]]Accessed: December 7, 2015</ref> It is the larval host to the little metalmark butterfly.<ref name="What">[[https://whatfloridanativeplantisbloomingtoday.wordpress.com/2014/04/26/nuttalls-thistle-cirsium-nuttallii-2/ What Florida Native Plant is Blooming Today]]Accessed: December 7, 2015</ref>
 
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Revision as of 07:35, 22 June 2022

Cirsium nuttallii
Cirs nutt.jpg
Photo by Matthew Merritt, Atlas of Florida Vascular Plants
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Order: Asterales
Family: Asteraceae ⁄ Compositae
Genus: Cirsium
Species: C. nuttallii
Binomial name
Cirsium nuttallii
DC.
Ciri nutt dist.jpg
Natural range of Cirsium nuttallii from USDA NRCS Plants Database.

Common names: Nuttall's thistle; coastal tall thistle

Taxonomic notes

Synonyms: Carduus nuttallii (A.P. de Candolle) Pollard.[1]

Varieties: none.[1]

Description

A description of Cirsium nuttallii  is provided in The Flora of North America.

C. nuttallii is a biennial species that develops a deep taproot and basal rosette the first year, then shoots up a single, erect, glabrous stem.[2][3] It can be distinguished from other Cirsium by having branched and many-headed stems.[4]

Distribution

Ecology

Habitat

In the Coastal Plain in Florida and Georgia, C. nuttallii can be found in loamy sand of pine savannas, Hymenachne depressions, and freshwater marsh banks. It will grow in sunny, open and disturbed habitats such as roadsides, railroad tracks, pastures, levees, highways, and upland fallow fields.[2][5]

Cirsium nuttallii is an indicator species for the Calcareous Savannas community type as described in Carr et al. (2010).[6]

Phenology

Cirsium nuttallii has been observed flowering April through July with peak inflorescence in June and with white to pink flowers.[2][7]

Seed bank and germination

It produces a large number of seeds and has been observed to self-sow freely.[2][8]

Pollination

Cirsium nuttallii has been observed at the Archbold Biological Station to host bees from the Apidae family such as Apis mellifera and Bombus griseocollis, sweat bees such as Halictus poeyi (family Halictidae), and leafcutting bees such as Lithurgus gibbosus (family Megachilidae).[9]

Herbivory and toxicology

The seeds are eaten by birds, but avoids herbivory from deer.[10] It is the larval host to the little metalmark butterfly.[11]

Conservation, cultivation, and restoration

Global Conservation Status: G5.[12]

Cultural use

The leaves and stems can be cooked, so keeping it as a potherb is a possibility.[13]

Photo Gallery

References and notes

  1. 1.0 1.1 Weakley, A.S. 2015. Flora of the southern and mid-atlantic states. Working Draft of 21 May 2015. University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
  2. 2.0 2.1 2.2 2.3 [Native Florida Wildflowers]Accessed:December 7, 2015
  3. [Encyclopedia of Life] Accessed: December 7, 2015
  4. Krings, Alexander, Randy Westbrooks, and Janine Lloyd. “CIRSIUM NUTTALLII (ASTERACEAE: CYNAREAE) NEW TO NORTH CAROLINA AND AN ILLUSTRATED KEY TO SOUTHEASTERN CONGENERS”. SIDA, Contributions to Botany 20.2 (2002): 845–848.
  5. Florida State University Robert K. Godfrey Herbarium database. URL: http://herbarium.bio.fsu.edu. Last accessed: October 2015. Collectors: Loran C. Anderson, James R. Birkhaulter, D. Burch, Emily Earp, R.K. Godfrey, R. Komarek, Marc Minno, Paul L. Redfearn Jr., Cecil R. Slaughter, L.B. Trott, D.B. Ward. States and Counties: Florida: Brevard, Escambia, Gadsden, Jefferson, Lee, Leon, Palm Beach, Polk, Putnam, Taylor, Wakulla. Georgia: Grady. Compiled by Tall Timbers Research Station and Land Conservancy.
  6. Carr, S.C., K.M. Robertson, and R.K. Peet. 2010. A vegetation classification of fire-dependent pinelands of Florida. Castanea 75:153-189.
  7. Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 7 DEC 2016
  8. [Dave's Garden]Accessed: December 7, 2015
  9. Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.
  10. [Naturescapes of Beaufort, SC]Accessed: December 7, 2015
  11. [What Florida Native Plant is Blooming Today]Accessed: December 7, 2015
  12. [NatureServe]Accessed: December 7, 2015
  13. Fernald, et al. 1958. Edible Plants of Eastern North America. Harper and Row Publishers, New York.