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Rugelia

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(Redirected from Rugelia nudicaulis) Genus of flowering plant

Rugelia
Conservation status

Vulnerable  (NatureServe)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Senecioneae
Genus: Rugelia
Shuttlew. ex Chapm.
Species: R. nudicaulis
Binomial name
Rugelia nudicaulis
Shuttlew. ex Chapm.
Synonyms
Homotypic synonyms
    • Cacalia rugelia (A.Gray) T.M.Barkley & Cronquist
    • Senecio rugelia A.Gray

Rugelia nudicaulis (Rugel's Indian plantain or Rugels ragwort), the sole species of the genus Rugelia, blooms in summer. It is a wildflower endemic to higher elevations in the Great Smoky Mountains. It is a rare species in Tennessee. Genetic diversity in this plant, assessed using allozymes, is so low that the species may not survive changing environmental conditions. Both the scientific name and the common names honor Ferdinand Rugel, a botanist and plant collector who collected plant specimens throughout the southeastern United States during the period 1840–1848.

Taxonomy

The monotypic genus Rugelia was described by the American botanist Alvan Wentworth Chapman in 1860. In his description, Chapman attributed both the generic name Rugelia and the specific epithet nudicaulis to R.J. Shuttleworth. The names honor Ferdinand Rugel, the botanist who collected the type specimen of Rugelia nudicaulis in 1842.

In 1883, the American botanist Asa Gray placed Rugelia nudicaulis in genus Senecio as Senecio rugelia. In 1974, Senecio rugelia was placed in genus Cacalia as Cacalia rugelia. As of December 2024, both Senecio rugelia A.Gray and Cacalia rugelia (A.Gray) T.M.Barkley & Cronquist are considered to be homotypic synonyms of Rugelia nudicaulis Shuttlew. ex Chapm.

References

  1. ^ "Rugelia nudicaulis Shuttlew. ex Chapm.". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 13 December 2024.
  2. NRCS. "Rugelia nudicaulis". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 26 October 2015.
  3. University of Tennessee Herbarium
  4. Tennessee state list
  5. Journal of Heredity article
  6. "Rugelia Shuttlew. ex Chapm.". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 12 December 2024.
  7. Chapman & Eaton (1865), p. 246.
  8. "Ferdinand Ignatius Xavier Rugel". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 12 December 2024.
  9. "Specimen K000802981: Rugelia nudicaulis Shuttlew. ex Chapm.". Kew Data Portal. Royal Botanic Gardens, Kew. Retrieved 13 December 2024.
  10. "Senecio rugelia A.Gray". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 13 December 2024.
  11. "Cacalia rugelia (A.Gray) T.M.Barkley & Cronquist". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 13 December 2024.
  • Horn, Cathcart, Hemmerly, Duhl, Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians, Lone Pine Publishing, (2005) p 372, ISBN 978-1-55105-428-5

Bibliography

Taxon identifiers
Rugelia
Rugelia nudicaulis


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