Ambrosia grayi
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| Ambrosia grayi | |
|---|---|
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Ambrosia |
| Species: | A. grayi
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| Binomial name | |
| Ambrosia grayi | |
| Synonyms[1][2] | |
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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
- ^ The Plant List Ambrosia grayi (A.Nelson) Shinners
- ^ a b Flora of North America Vol. 21 Page 17 Ambrosia grayi (A. Nelson) Shinners, Field & Lab. 17: 174. 1949
- ^ USDA, NRCS (n.d.). "Ambrosia grayi". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 18 May 2015.
- ^ Biota of North America Program 2014 county distribution map
External links
- Goodwell and Texhoma, Oklahoma Pasture and Roadside Plants; Ambrosia grayi Bur ragweed
- Pollen Library
- Department of Horticulture and Crop Science The Ohio State University, Seed Identification Workshop
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