Prenanthes Explained

Prenanthes is a genus of plant in the family Asteraceae, often referred to as rattlesnake root.^{[1] [2]}

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

Species

, Plants of the World Online accepted nine species:^[5]

• Prenanthes hookeri C.B.Clarke ex Hook.f.
• Prenanthes mira (Pavlov) Kamelin
• Prenanthes nothae Kurz
• Prenanthes petiolata (K.Koch) Sennikov
• Prenanthes purpurea L.
• Prenanthes steenisii Tjitr.
• Prenanthes stenolimba Steenis
• Prenanthes subpeltata Stebbins
• Prenanthes sumatrana Tjitr.

Notes and References

1. https://www.biodiversitylibrary.org/page/358818#page/239/mode/1up Linnaeus, Carl von. 1753. Species Plantarum 797-798
2. http://www.tropicos.org/Name/40015815 Tropicos, Prenanthes L.
3. Posch, M., et al. (2011). A new trisaccharide derivative from Prenanthes purpurea. Journal of the Serbian Chemical Society 76(6), 841-45.
4. http://dixon.iplantcollaborative.org/CompositaeWeb/default.aspx?Page=NameDetails&TabNum=0&NameId=3c969816-fc7b-44f1-bd04-8f193ebf11ed Flann, C (ed) 2009+ Global Compositae Checklist
5. Prenanthes L... 10671-1. 2024-05-18. cs1.