Grindelia arizonica
| Grindelia arizonica | |
|---|---|
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Grindelia |
| Species: | G. arizonica
|
| Binomial name | |
| Grindelia arizonica A.Gray 1882
| |
| Synonyms[1] | |
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Grindelia arizonica, the Arizona gumweed,[2] is a North American species of flowering plants in the family Asteraceae. It is native to the southwestern United States and northern Mexico, in the States of Coahuila, Chihuahua, Arizona, New Mexico, Utah, Texas, and Colorado.[3][4]
Grindelia arizonica grows in prairies and thickets, and along streambanks. It is an perennial herb up to 70 cm (28 in) tall. The plant usually produces numerous flower heads in open, branching arrays. Each head has 8-26 ray flowers, although some individuals have no rays. In the center of the head, there are a large number of tiny disc flowers.[5]
References
[edit]- ^ The Plant List, Grindelia arizonicaA.Gray
- ^ USDA, NRCS (n.d.). "Grindelia arizonica". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 18 July 2015.
- ^ Biota of North America Program 2014 county distribution map
- ^ Nesom, G.L. 1990. Studies in the systematics of Mexican and Texan Grindelia (Asteraceae: Astereae). Phytologia 68(4): 303–332 distribution map on page 308
- ^ Flora of North America, Grindelia arizonica A. Gray, 1881.
External links
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