Hymenoxys
Hymenoxys hoopesii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Subfamily: Asteroideae
Tribe: Helenieae
Subtribe: Tetraneurinae
Genus: Hymenoxys
Cass.
Type species
Hymenoxys anthemoides
(Juss.) Cass.[1]
Synonyms[2]
  • Plummera A.Gray
  • Dugaldia Cass.
  • Actinella Juss. ex Nutt.
  • Phileozera Buckley
  • Macdougalia A.Heller

Hymenoxys (rubberweed or bitterweed) is a genus of plants in the sunflower family, native to North and South America.[3][1][4] It was named by Alexandre Henri Gabriel de Cassini in 1828.[1]

Plants of this genus are toxic to sheep due to the presence of the sesquiterpene lactone hymenoxon.[5][6][7]

Species[2][8][9][10][11]
formerly included[11]

References

  1. 1 2 3 Tropicos, Hymenoxys Cass.
  2. 1 2 "Flann, C (ed) 2009+ Global Compositae Checklist". Archived from the original on 2014-12-02. Retrieved 2014-12-02.
  3. ↑ Cassini, Alexandre Henri Gabriel de, in Cuvier, F. 1828. Dictionnaire des Sciences Naturelles [Second edition] 55: 278–279in French
  4. ↑ Flora of North America, Bitterweed, rubberweed, Hymenoxys Cassini 1828.
  5. ↑ Everitt, J.H.; Lonard, R.L.; Little, C.R. (2007). Weeds in South Texas and Northern Mexico. Lubbock: Texas Tech University Press. ISBN 0-89672-614-2
  6. ↑ Pfeiffer, F. A. and M. C. Calhoun. (1987). Effects of environmental, site, and phenological factors on hymenoxon content of bitterweed, Hymenoxys odorata. Journal of Animal Science 65 1553-62.
  7. ↑ Texas A&M University, Toxicity: H. odorata Archived 2007-07-03 at the Wayback Machine
  8. ↑ Biota of North America Program 2013 county distribution maps
  9. ↑ Turner, B. L. 2013. The comps of Mexico. A systematic account of the family Asteraceae (chapter 11: tribe Helenieae). Phytologia Memoirs 16: 1–100.
  10. ↑ The Plant List search for Hymenoxys
  11. 1 2 The Plant List, search for Hymenoxys


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