Gutierrezia

snakeweeds
matchweeds
Gutierrezia sarothrae
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Astereae[1]
Genus: Gutierrezia
Lag.
Type species
Gutierrezia linearifolia
Lag.
Synonyms[1]
  • Brachyris Nutt.
  • Brachyachyris Spreng.
  • Greenella A.Gray
  • Odontocarpha Poepp. ex DC.
  • Hemiachyris DC.

Gutierrezia is a genus of flowering plants in the sunflower family. Plants of this genus are known generally as snakeweeds or matchweeds.[2][3][4][5][6][7]

These plants contain chemical compounds which can be toxic to livestock and some are considered weeds. They bear small yellow daisylike flowers.[8]

Species[1][9][10]
  1. Gutierrezia alamanii - Chihuahua
  2. Gutierrezia argyrocarpa - Hidalgo
  3. Gutierrezia arizonica – Arizona snakeweed - Arizona, Sonora
  4. Gutierrezia baccharoides - Chile, Argentina
  5. Gutierrezia californica – San Joaquin snakeweed - California, Baja California, Arizona (Yavapai Co)
  6. Gutierrezia conoidea - Chihuahua, Durango, Jalisco, Zacatecas
  7. Gutierrezia dracunculoides - USA (from AZ to NE + TN)
  8. Gutierrezia dunalii - Morelos, México State
  9. Gutierrezia espinosae - Chile
  10. Gutierrezia gayana - Chile
  11. Gutierrezia gilliesii - Argentina
  12. Gutierrezia grandis - Nuevo León, Coahuila
  13. Gutierrezia isernii - Argentina
  14. Gutierrezia mandonii - Argentina, Bolivia
  15. Gutierrezia microcephala – threadleaf snakeweed - USA (CA AZ NV NM CO TX), Mexico (from Sonora to Veracruz)
  16. Gutierrezia neaeana - Chile
  17. Gutierrezia paniculata - Chile
  18. Gutierrezia petradoria – San Pedro snakeweed - Utah
  19. Gutierrezia pulviniformis - Argentina
  20. Gutierrezia ramulosa - Baja California
  21. Gutierrezia repens - Argentina
  22. Gutierrezia resinosa - Chile
  23. Gutierrezia sarothrae – broom snakeweed - western Canada, western + central USA, northern Mexico
  24. Gutierrezia sericocarpa - San Luis Potosí, Durango, Zacatecas, Guanajuato, Querétaro, Nayarit
  25. Gutierrezia serotina – late snakeweed - Arizona
  26. Gutierrezia solbrigii - Argentina
  27. Gutierrezia spathulata - Argentina
  28. Gutierrezia sphaerocephala – roundleaf snakeweed - USA (AZ, NM, TX), northern Mexico
  29. Gutierrezia taltalensis - Chile
  30. Gutierrezia texana – Texas snakeweed - USA (NM, TX OK LA AR), Nuevo León
  31. Gutierrezia wrightii – Wright's snakeweed - USA (AZ, NM), Chihuahua, Durango, Sonora

References

  1. 1.0 1.1 1.2 Flann, C (ed) 2009+ Global Compositae Checklist
  2. Lagasca y Segura, Mariano. 1816. Genera et species plantarum, quae aut novae sunt aut nondum recte cognoscuntur, Elench. Pl. 30
  3. Tropicos, Gutierrezia Lag.
  4. "Asteraceae of North America Update, database (version 2010.5.13)". Integrated Taxonomic Information System. Retrieved January 5, 2013.
  5. "Gutierrezia Lag. Taxonomic Hierarchy". Integrated Taxonomic Information System. Retrieved January 5, 2013.
  6. "Classification for Kingdom Plantae Down to Genus Gutierrezia Lag.". United States Department of Agriculture Natural Resources Conservation Service. Retrieved January 5, 2013.
  7. Lane, M. A. 1985. Taxonomy of Gutierrezia (Compositae: Astereae) in North America. Systematic Botany 10(1): 7–28
  8. 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.
  9. Biota of North America Program 2013 county distribution maps
  10. CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, México D.F..

External links