Nabalus crepidineus
Nabalus crepidineus, commonly called the nodding rattlesnakeroot,[1] is a species of flowering plant in the family Asteraceae. It is native to the United States, where it is found in the Midwest and Upland South regions.[2] Its natural habitat is in bottomland and mesic forests, and along streambanks.[3]
| Nabalus crepidineus | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Nabalus |
| Species: | N. crepidineus |
| Binomial name | |
| Nabalus crepidineus (Michx.) DC. | |
| Synonyms | |
|
Prenanthes crepidinea Michx. | |
Description
It is a perennial flowering plant growing up to 3 m (9.8 ft) tall. It produces white (sometimes yellow) flowers in late summer and autumn.[4][3] It is most easily seen in the spring, where it can forms large colonies of sterile basal rosettes. These rosettes are typically epehemeral, with proportionally very few persisting beyond mid-summer into the flowering period.[3]
Molecular and morphological evidence indicates that Nabalus crepidineus and its North American relatives are best treated in a separate genus from Prenanthes. This treatment became widely adopted in the 2010s.[5][6]
N. crepidineus is most often seen as only basal leaves
Range
This plant occurs from western New York west to southeastern tip of Minnesota, south to Arkansas and Tennessee.[2] Although widespread, it is considered infrequent throughout its range.[7]
In Arkansas, this species occurs in 12 counties, mostly in the Arkansas Ozarks.[8]
References
- USDA, NRCS (n.d.). "Prenanthes crepidinea". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 13 October 2015.
- "Nabalus crepidineus". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 28 June 2021.
- Yatskievych, George (2006). Flora of Missouri, Volume 2. Missouri Botanical Garden Press. pp. 377–382.
- http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242417053 Flora of North America
- Weakley, Alan (2020). "Flora of the Southeastern United States".
- "ITIS - Report: Nabalus crepidineus".
- Prenanthes crepidinea NatureServe Explorer
- 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
