Nabalus crepidineus

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Nodding rattlesnake-root
Nabalus crepidineus.jpg

Apparently Secure (NatureServe)
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Tribe: Cichorieae
Genus: Nabalus
Species:
N. crepidineus
Binomial name
Nabalus crepidineus
(Michx.) DC.
Synonyms

Prenanthes crepidinea Michx.

Nabalus crepidineus, commonly called the nodding rattlesnakeroot,[1] is a species of flowering plant in the aster family. 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]

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 2010's.[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[]

  1. ^ "Prenanthes crepidinea". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 13 October 2015.
  2. ^ Jump up to: a b "Nabalus crepidineus". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 28 June 2021.
  3. ^ Jump up to: a b c Yatskievych, George (2006). Flora of Missouri, Volume 2. Missouri Botanical Garden Press. pp. 377–382.
  4. ^ [1] Flora of North America
  5. ^ Weakley, Alan (2020). "Flora of the Southeastern United States".
  6. ^ https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=517431
  7. ^ Prenanthes crepidinea NatureServe Explorer
  8. ^ 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
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