Nabalus barbatus, the barbed rattlesnakeroot,[2] is a plant in the family Asteraceae. It is native to the Southeastern United States where it is found in small numbers in a few disjunct areas of remaining natural grassland. Because of this, it is considered a globally rare species, with only 35-70 remaining populations. Much of its natural habitat of prairie and savanna has been destroyed.[1] In 2010 it was reclassified from the genus Prenanthes to Nabalus.[3]
| Nabalus barbatus | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Nabalus |
| Species: | N. barbatus
|
| Binomial name | |
| Nabalus barbatus (Torr. & A.Gray) A.Heller
| |
| Synonyms | |
|
Prenanthes barbata (Torr. & A.Gray) Milstead | |
It is a perennial that flowers in early fall, [4] although flowering has been reported into November.[5]
Habitat
editThe natural habitat of this species is prairie and savanna.[1] It is known from rich hardwood and pine-oak forest as well as mesic ravine slope forest in the pineywoods of east Texas.[5]
Range
editThis species occurs from Oklahoma, Arkansas, and Kentucky south from Texas to Georgia.[1] It occurs in nine counties in central and southeast Arkansas[6] and in 13 counties in the eastern four counties of Texas.[5]
References
edit- ^ a b c d http://explorer.natureserve.org/servlet/NatureServe?searchName=Prenanthes+barbata Natureserve
- ^ USDA, NRCS (n.d.). "Prenanthes barbata". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 13 October 2015.
- ^ "ITIS - Report: Prenanthes altissima".
- ^ Flora of North America, Prenanthes barbata
- ^ a b c Singhurst, J.R., O’Kennon, R.J., Holmes, W.C. 2004. The genus Prenanthes (Asteraceae:Lactuceae) in Texas. Sida 21(1):181–191.
- ^ Gentry, J.L.; Johnson, J.P.; Baker, B. T.; Witsell, C. T.; Ogle, J. D., eds. 2013. Atlas of the Vascular Plants of Arkansas. University of Arkansas Herbarium, Fayetteville, AR, USA