Euphorbia_davidii

<i>Euphorbia davidii</i>

Euphorbia davidii

David's/toothed spurge, worldwide weed

Euphorbia davidii, known as David's spurge or toothed spurge, is a species of flowering plant in the spurge family Euphorbiaceae.[2][3] It is an annual herb growing up to 2 feet (0.61 metres) tall.[4] Leaves are opposite in arrangement with narrow to broadly elliptic blades.[4]

Quick Facts Euphorbia davidii, Scientific classification ...

Distribution and habitat

Euphorbia davidii is native to parts of southwest and central North America.[3] It is apparently not native to eastern and northern North America, South America, Australia, Russia, and other areas where it occurs worldwide. Euphorbia davidii is found in a variety of habitats, from forests, riparian areas, and prairies, to gravel roadsides and railroads.[3][5]

As a pest

In March 2021[6] the EPPO (European and Mediterranean Plant Protection Organization) added E. davidii to its Alert List due to concerns it may move beyond its current habitats - railway lines - and into agricultural lands; and because it recently appeared in Central Russia.[7]

References

  1. [1]
    "Euphorbia davidii Subils". ipni.org. International Plant Names Index. Retrieved 2018-09-24.
  2. [2]
    USDA, NRCS (n.d.). "Euphorbia davidii". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 2018-09-24.
  3. [3]
    Flora of North America Editorial Committee, ed. (2016). "Euphorbia davidii". Flora of North America North of Mexico (FNA). Vol. 12. New York and Oxford: Oxford University Press. Retrieved 2018-09-24 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  4. [4]
    "Lady Bird Johnson Wildflower Center - The University of Texas at Austin". www.wildflower.org. Retrieved 2023-11-26.
  5. [5]
    Reznicek, A. A.; Voss, E. G.; Walters, B. S., eds. (February 2011). "Euphorbia davidii". Michigan Flora Online. University of Michigan Herbarium. Retrieved 2018-09-24.
  6. [6]
    "EPPO/OEPP - Addition of Euphorbia davidii to the EPPO Alert List". Facebook. Retrieved 2021-03-04.
  7. [7]
    "Euphorbia davidii". European and Mediterranean Plant Protection Organization (EPPO). Retrieved 2021-03-04.


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