Hymenoxys brandegeei
| Hymenoxys brandegeei | |
|---|---|
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Hymenoxys |
| Species: | H. brandegeei
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| Binomial name | |
| Hymenoxys brandegeei | |
| Synonyms[1][2] | |
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Synonymy
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Hymenoxys brandegeei is a species of flowering plant in the daisy family known by the common names Brandegee's four-nerve daisy,[3] Brandegee's rubberweed or western bitterweed. It is native to the states of Arizona, Colorado, and New Mexico in the southwestern United States.[4][5]
Hymenoxys brandegeei grows at elevations of 2,800–4,100 meters (9,200–13,500 ft) in the mountains, often above timber line. It is a perennial herb up to 24 cm (9.4 in) tall. One plant generally produces one flower head per stem, up to 10 per plant. Each head has 14–23ray flowers and 150–250 disc flowers.[6]
The oldest available name for this plant is Actinella grandiflora var. glabrata, coined in 1874.[7] In elevating the taxon to species status, Asa Gray opted to forgo the common but not mandatory custom of using the varietal epithet as a species epithet. He chose instead to call the species Actinella brandegei.[8]
References
[edit]- ^ The Plant List, Hymenoxys brandegeei (Porter ex A.Gray) Porter ex K.F.Parker
- ^ Tropicos, Actinella brandegeei Porter ex A. Gray
- ^ NRCS. "Tetraneuris brandegeei". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 9 December 2015.
- ^ Biota of North America Program 2014 distribution map
- ^ SEINet, Southwestern Biodiversity, Arizona chapter description, photos, distribution map
- ^ Flora of North America, Hymenoxys brandegeei (Porter ex A. Gray) K. F. Parker, 1950. Brandegee’s rubberweed, western bitterweed
- ^ Porter, Thomas Conrad. 1874. Synopsis of the Flora of Colorado 76
- ^ Gray, Asa. 1878. Proceedings of the American Academy of Arts and Sciences 13: 373
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