Ambrosia tomentosa

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Ambrosia tomentosa
Skeletonleaf Bur Ragweed
Ambrosia-tomentosa01.jpg
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Asterales
Family: Asteraceae
Genus: Ambrosia
Species: A. tomentosa
Binomial name
Ambrosia tomentosa
Nutt.
Synonyms[1]
  • Franseria discolor Nutt.
  • Franseria tomentosa (Nutt.) A.Nelson, non A. Gray
  • Gaertneria discolor (Nutt.) Kuntze
  • Gaertneria tomentosa (Nutt.) A.Heller

Ambrosia tomentosa, the Skeletonleaf bur ragweed,[1] Silverleaf povertyweed, or Skeleton-leaf bursage,[2] is a perennial species in the Aster family (Asteraceae).

Skeletonleaf bur ragweed is native to the Great Plains, and the Central and Western United States. [3]

It is considered a noxious weed in several states.[2]

Description[edit]

Ambrosia tomentos grows up to 3 feet (91 cm) tall. The deeply lobed hairy leaves grow to 5 inches (12.7 cm) and have toothed margins. Flowers are small and yellow and produce spined 2-seeded burrs. In addition to seeds it can also reproduce via its widely spreading roots.[4]

References[edit]

  1. ^ a b USDA Plants Profile for Ambrosia tomentosa Retrieved 2010-03-25.
  2. ^ a b Germplasm Resources Information Network Retrieved 2010-03-25.
  3. ^ USDA . accessed 2.14.2013
  4. ^ Idaho's Noxious Weeds – Skeletonleaf Bursage Retrieved 2010-03-25.

External links[edit]