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[[Category:Cenchrus|longispinus]]
[[Category:Cenchrus|longispinus]]
[[Category:Grasses of the United States]]
[[Category:Grasses of North America]]
[[Category:Grasses of Canada]]
[[Category:Grasses of Canada]]
[[Category:Invasive plant species in Australia]]
[[Category:Grasses of Mexico]]
[[Category:Flora of North America]]
[[Category:Grasses of the United States]]
[[Category:Grasses of Alabama]]
[[Category:Grasses of Alabama]]
[[Category:Invasive plant species in Australia]]





Revision as of 05:42, 20 April 2015

Spiny Burr Grass
Gentle Annie
Cenchrus longispinus[1]
Scientific classification
Kingdom:
(unranked):
(unranked):
(unranked):
Order:
Family:
Subfamily:
Genus:
Species:
C. longispinus
Binomial name
Cenchrus longispinus
(Hack.) Fern.
Synonyms[2]
  • Cenchrus echinatus f. longispinus Hack.
  • Cenchrus echinatus var. longispinus (Hack.) Jansen & Wacht.
  • Cenchrus pauciflorus var. longispinus (Hack.) Jansen & Wacht.

Cenchrus longispinus is a species of grass, also known as Spiny Burr Grass or Gentle Annie. Its fruits are clumped into "burrs" with sharp, barbed spines that can penetrate the hides and mouth of grazing animals. They can also become lodged in human clothing, causing some discomfort.[3]

The species is native to North America (Canada, Mexico, and the USA). It is a noxious weed in Europe, Australia and New Zealand where it was introduced.[2][4][5][6][7][8][9][10]

References

  1. ^ Line drawing of Cenchrus longispinus from the USDA PLANTS Database. Source: http://plants.usda.gov/java/largeImage?imageID=ceca6_001_avd.tif Original source: USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 1: 167.
  2. ^ a b Kew World Checklist of Selected Plant Families
  3. ^ Fernald, Merritt Lyndon 1943. Virginian botanizing under restrictions. Rhodora 45(538): 357-413
  4. ^ Victoria, Australia, Noxious Weed site
  5. ^ Distribution in Australia, native origin
  6. ^ DAISIE (eds.). 2009. Handbook of Alien Species in Europe. Springer, Dordrecht. 399 p. ISBN 978-1-4020-8279-5
  7. ^ Caro, J. A. & E. Sanchez. 1969. Cenchrus. In: A. Burkart, Gramineas. 2: 437–445. In A. E. Burkart (ed.) Fl. Il. Entre Ríos. Instituto Nacional de Tecnología Agropecuaria, Buenos Aires
  8. ^ DeLisle, D. G. 1963. Taxonomy and distribution of the genus Cenchrus. Iowa State College Journal of Science 37(3): 259–351
  9. ^ Herrera Arrieta, Y. 2014. Additions and updated names for grasses of Durango, Mexico. Acta Botánica Mexicana 106: 79–95
  10. ^ Sousa Sánchez, M. & E. F. Cabrera Cano. 1983. Flora de Quintana Roo. Listados Florísticos de México 2: 1–100