Gutierrezia

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]

Gutierrezia
Gutierrezia sarothrae
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
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

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

Species[3][12][13][14][15]

References
  1. Tropicos, Gutierrezia Lag.
  2. The Plant List, Gutierrezia linearifolia Lag.
  3. "Flann, C (ed) 2009+ Global Compositae Checklist". Archived from the original on 2014-12-01. Retrieved 2014-12-01.
  4. 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. "Greasewood" . The New International Encyclopædia  – via 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.
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