Ambrosia grayi, the woollyleaf bur ragweed,[3] is a North American species of plants in the family Asteraceae. It is native to the west-central part of the Great Plains of the United States, in the states of Nebraska, Kansas, Colorado, New Mexico, Oklahoma, and Texas.[4]

Ambrosia grayi is a perennial herb up to 30 cm (12 inches) tall. Leaves are elliptical or egg-shaped. Flower heads are small and inconspicuous, as the plant is wind-pollinated. The heads develop into spiny burs as the seeds ripen.[2]

References

  1. ^ The Plant List Ambrosia grayi (A.Nelson) Shinners
  2. ^ a b Flora of North America Vol. 21 Page 17 Ambrosia grayi (A. Nelson) Shinners, Field & Lab. 17: 174. 1949
  3. ^ USDA, NRCS (n.d.). "Ambrosia grayi". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 18 May 2015.
  4. ^ Biota of North America Program 2014 county distribution map

External links