| 词条 | Gutierrezia |
| 释义 |
| image = Gutierreziasarothrae.jpg | image_caption = Gutierrezia sarothrae | taxon = Gutierrezia | authority = Lag. | synonyms_ref=[1] |synonyms=
|type_species= Gutierrezia linearifolia Lag.[2] (syn of G. sarothrae)[3] }}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][6][7][8][9][10] Some species have been called greasewood.[11] 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.[12]
References{{Commons category|Gutierrezia}}1. ^1 Flann, C (ed) 2009+ Global Compositae Checklist 2. ^Tropicos, Gutierrezia Lag. 3. ^The Plant List, Gutierrezia linearifolia Lag. 4. ^1 {{citation |chapter-url=http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=114211 |title=Flora of North America |chapter=Gutierrezia Lagasca, Gen. Sp. Pl. 30. 1816 |author=Guy L. Nesom |volume=20}} 5. ^Lagasca y Segura, Mariano. 1816. Genera et species plantarum, quae aut novae sunt aut nondum recte cognoscuntur, Elench. Pl. 30 6. ^Tropicos, Gutierrezia Lag. 7. ^{{cite web|title=Asteraceae of North America Update, database (version 2010.5.13)|url=https://www.itis.gov/servlet/SingleRpt/RefRpt?search_type=source&search_id=source_id&search_id_value=466|publisher=Integrated Taxonomic Information System|accessdate=January 5, 2013}} 8. ^{{cite web|title=Gutierrezia Lag. Taxonomic Hierarchy|url=https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=37478|publisher=Integrated Taxonomic Information System|accessdate=January 5, 2013}} 9. ^{{cite web|title=Classification for Kingdom Plantae Down to Genus Gutierrezia Lag.|url=http://plants.usda.gov/java/ClassificationServlet?source=profile&symbol=GUTIE&display=31|publisher=United States Department of Agriculture Natural Resources Conservation Service|accessdate=January 5, 2013}} 10. ^Lane, M. A. 1985. Taxonomy of Gutierrezia (Compositae: Astereae) in North America. Systematic Botany 10(1): 7–28 11. ^{{cite wikisource |title=The New International Encyclopædia |chapter=Greasewood}} 12. ^{{Cite book |last1=Everitt |first1=J.H. |last2=Lonard |first2=R.L. |last3=Little |first3=C.R. |title=Weeds in South Texas and Northern Mexico |publisher=Texas Tech University Press |location=Lubbock |year=2007 |isbn=0-89672-614-2}} 13. ^Biota of North America Program 2013 county distribution maps 14. ^CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, México D.F.. 15. ^The Plant List, search for Gutierrezia 16. ^{{cite web|title=Gutierrezia|url=http://plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:30011380-2|website=plantsoftheworldonline.org|publisher=Royal Botanical Gardens Kew |accessdate=2018-10-18}} External links
6 : Gutierrezia|Asteraceae genera|Flora of North America|Flora of Central America|Flora of western South America|Taxa named by Mariano Lagasca |
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