# Prenanthes

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Genus of plants

Prenanthes Prenanthes purpurea Scientific classification Kingdom: Plantae Clade: Embryophytes Clade: Tracheophytes Clade: Spermatophytes Clade: Angiosperms Clade: Eudicots Clade: Asterids Order: Asterales Family: Asteraceae Subfamily: Cichorioideae Tribe: Cichorieae Subtribe: Hypochaeridinae Genus: Prenanthes L.

***Prenanthes*** is a genus of plant in the family [Asteraceae](/source/Asteraceae), often referred to as **rattlesnake root**.[1][2]

Molecular analysis in 2009 revealed that the genus as traditionally envisioned was [polyphyletic](/source/Polyphyly), meaning that it is a conglomeration of species not closely related to one another.[3] The genus formerly included species now placed in *[Aetheorhiza](/source/Aetheorhiza)*, *[Askellia](/source/Askellia)*, *[Brickellia](/source/Brickellia)*, *[Chondrilla](/source/Chondrilla_(plant))*, *[Crepidiastrum](/source/Crepidiastrum)*, *[Crepis](/source/Crepis)*, *[Emilia](/source/Emilia_(plant))*, *[Erythroseris](/source/Erythroseris)*, *[Faberia](/source/Faberia)*, *[Hololeion](/source/Hololeion)*, *[Hypochaeris](/source/Hypochaeris)*, *[Ixeris](/source/Ixeris)*, *[Lactuca](/source/Lactuca)*, *[Lapsanastrum](/source/Lapsanastrum)*, *[Launaea](/source/Launaea)*, *[Lygodesmia](/source/Lygodesmia)*, *[Nabalus](/source/Nabalus)*, *[Notoseris](/source/Notoseris)*, *[Paraprenanthes](/source/Paraprenanthes)*, *[Parasenecio](/source/Parasenecio)*, *[Picrosia](/source/Picrosia)*, *[Sonchella](/source/Sonchella)*, *[Sonchus](/source/Sonchus)*, *[Soroseris](/source/Soroseris)*, *[Stephanomeria](/source/Stephanomeria)*, *[Trixis](/source/Trixis)*, and *[Youngia](/source/Youngia)*.[4]

## Species

As of May 2024[\[update\]](https://en.wikipedia.org/w/index.php?title=Prenanthes&action=edit), [Plants of the World Online](/source/Plants_of_the_World_Online) accepted nine species:[5]

- *[Prenanthes hookeri](https://en.wikipedia.org/w/index.php?title=Prenanthes_hookeri&action=edit&redlink=1)* C.B.Clarke ex Hook.f.

- *[Prenanthes mira](https://en.wikipedia.org/w/index.php?title=Prenanthes_mira&action=edit&redlink=1)* (Pavlov) Kamelin

- *[Prenanthes nothae](https://en.wikipedia.org/w/index.php?title=Prenanthes_nothae&action=edit&redlink=1)* Kurz

- *[Prenanthes petiolata](https://en.wikipedia.org/w/index.php?title=Prenanthes_petiolata&action=edit&redlink=1)* (K.Koch) Sennikov

- *[Prenanthes purpurea](/source/Prenanthes_purpurea)* L.

- *[Prenanthes steenisii](https://en.wikipedia.org/w/index.php?title=Prenanthes_steenisii&action=edit&redlink=1)* Tjitr.

- *[Prenanthes stenolimba](https://en.wikipedia.org/w/index.php?title=Prenanthes_stenolimba&action=edit&redlink=1)* Steenis

- *[Prenanthes subpeltata](https://en.wikipedia.org/w/index.php?title=Prenanthes_subpeltata&action=edit&redlink=1)* Stebbins

- *[Prenanthes sumatrana](https://en.wikipedia.org/w/index.php?title=Prenanthes_sumatrana&action=edit&redlink=1)* Tjitr.

## References

Wikimedia Commons has media related to [Prenanthes](https://commons.wikimedia.org/wiki/Category:Prenanthes).

1. **[^](#cite_ref-1)** [Linnaeus, Carl von. 1753. Species Plantarum 797-798](https://www.biodiversitylibrary.org/page/358818#page/239/mode/1up)

1. **[^](#cite_ref-2)** [Tropicos, Prenanthes L.](http://www.tropicos.org/Name/40015815)

1. **[^](#cite_ref-3)** Posch, M., et al. (2011). [A new trisaccharide derivative from *Prenanthes purpurea*.](http://www.doiserbia.nb.rs/(A(D-nt_vzRzgEkAAAAZjRiY2Y1MGYtNGI2NC00MzJlLWE3ZTctODcxZTE1Y2M0M2I2H3rUdWq0JlDBMSvzm2pb25rEPiY1))/img/doi/0352-5139/2011/0352-51391100072P.pdf) Journal of the Serbian Chemical Society 76(6), 841-45.

1. **[^](#cite_ref-d_4-0)** [Flann, C (ed) 2009+ Global Compositae Checklist](http://dixon.iplantcollaborative.org/CompositaeWeb/default.aspx?Page=NameDetails&TabNum=0&NameId=3c969816-fc7b-44f1-bd04-8f193ebf11ed) [Deprecated link](https://en.wikipedia.org/wiki/Wikipedia:Archive.today_guidance) archived 2014-12-15 at [archive.today](/source/Archive.today)

1. **[^](#cite_ref-POWO_10671-1_5-0)** ["*Prenanthes* L."](https://powo.science.kew.org/taxon/10671-1) *[Plants of the World Online](/source/Plants_of_the_World_Online)*. [Royal Botanic Gardens, Kew](/source/Royal_Botanic_Gardens%2C_Kew). Retrieved 2024-05-18.

Taxon identifiers Prenanthes Wikidata: Q2061392 Wikispecies: Prenanthes APDB: 193994 BioLib: 41440 CoL: 6VJZ EoL: 38105 EPPO: 1PNNG FNA: 126693 FoC: 126693 GBIF: 3090720 GRIN: 9825 iNaturalist: 62252 IPNI: 10671-1 IRMNG: 1032437 ITIS: 38268 NBN: NHMSYS0000462059 NCBI: 43201 Open Tree of Life: 475557 PLANTS: PRENA POWO: urn:lsid:ipni.org:names:10671-1 Taxonomicon: 8473 Tropicos: 40015815 WFO: wfo-4000031103 WoRMS: 1075715

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Adapted from the Wikipedia article [Prenanthes](https://en.wikipedia.org/wiki/Prenanthes) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Prenanthes?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.