Gutierrezia

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Gutierrezia
Gutierreziasarothrae.jpg
Gutierrezia sarothrae
Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Tribe: Astereae
Genus: Gutierrezia
Lag.
Type species
Gutierrezia linearifolia
Lag.[1] (syn of G. sarothrae)[2]
Synonyms[3]
  • Brachyris Nutt.
  • Brachyachyris Spreng.
  • Greenella A.Gray
  • Odontocarpha Poepp. ex DC.
  • Hemiachyris DC.
Flower heads of Gutierrezia microcephala

Gutierrezia is a genus of flowering plants in the sunflower family, native to western North America and western South America.[4] Plants of this genus are known generally as snakeweeds or matchweeds.[5][1][6][7][8][9] Some species have been called greasewood.[10] They are annual or perennial plants or subshrubs with yellow or white flowers.[4]

These plants contain chemical compounds which can be toxic to livestock and some are considered weeds.[11]

Species[3][12][13][14][15]
  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 Arizona to Nebraska + Tennessee)
  8. Gutierrezia dunalii - Morelos, México State
  9. Gutierrezia elegans - Lone Mesa snakeweed
  10. Gutierrezia espinosae - Chile
  11. Gutierrezia gayana - Chile
  12. Gutierrezia gilliesii - Argentina
  13. Gutierrezia grandis - Nuevo León, Coahuila
  14. Gutierrezia isernii - Argentina
  15. Gutierrezia mandonii - Argentina, Bolivia
  16. Gutierrezia microcephala – threadleaf snakeweed - southwestern USA, northern Mexico
  17. Gutierrezia neaeana - Chile
  18. Gutierrezia paniculata - Chile
  19. Gutierrezia petradoria – San Pedro snakeweed - Utah
  20. Gutierrezia pomariensis - Utah
  21. Gutierrezia pulviniformis - Argentina
  22. Gutierrezia ramulosa - Baja California
  23. Gutierrezia repens - Argentina
  24. Gutierrezia resinosa - Chile
  25. Gutierrezia sarothrae – broom snakeweed - western Canada, western + central USA, northern Mexico
  26. Gutierrezia sericocarpa - San Luis Potosí, Durango, Zacatecas, Guanajuato, Querétaro, Nayarit
  27. Gutierrezia serotina – late snakeweed - Arizona
  28. Gutierrezia solbrigii - Argentina
  29. Gutierrezia spathulata - Argentina
  30. Gutierrezia sphaerocephala – roundleaf snakeweed - USA (Arizona, New Mexico, Texas), northern Mexico
  31. Gutierrezia taltalensis - Chile
  32. Gutierrezia texana – Texas snakeweed - USA (New Mexico, Texas Oklahoma Louisiana Arkansas), Nuevo León
  33. Gutierrezia wrightii – Wright's snakeweed - USA (Arizona, New Mexico), Chihuahua, Durango, Sonora

References[edit]

  1. ^ a b Tropicos, Gutierrezia Lag.
  2. ^ The Plant List, Gutierrezia linearifolia Lag.
  3. ^ a b Flann, C (ed) 2009+ Global Compositae Checklist
  4. ^ a b Guy L. Nesom, "Gutierrezia Lagasca, Gen. Sp. Pl. 30. 1816", Flora of North America, 20
  5. ^ Lagasca y Segura, Mariano. 1816. Genera et species plantarum, quae aut novae sunt aut nondum recte cognoscuntur, Elench. Pl. 30
  6. ^ "Asteraceae of North America Update, database (version 2010.5.13)". Integrated Taxonomic Information System. Retrieved January 5, 2013.
  7. ^ "Gutierrezia Lag. Taxonomic Hierarchy". Integrated Taxonomic Information System. Retrieved January 5, 2013.
  8. ^ "Classification for Kingdom Plantae Down to Genus Gutierrezia Lag". United States Department of Agriculture Natural Resources Conservation Service. Retrieved January 5, 2013.
  9. ^ Lane, M. A. 1985. Taxonomy of Gutierrezia (Compositae: Astereae) in North America. Systematic Botany 10(1): 7–28
  10. ^ "Wikisource link to Greasewood". Wikisource link to The New International Encyclopædia. Wikisource. 
  11. ^ 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.
  12. ^ Biota of North America Program 2013 county distribution maps
  13. ^ CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, México D.F..
  14. ^ The Plant List, search for Gutierrezia
  15. ^ "Gutierrezia". plantsoftheworldonline.org. Royal Botanical Gardens Kew. Retrieved 2018-10-18.

External links[edit]