Eupatorium semiserratum
| Eupatorium semiserratum | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Eupatorium |
| Species: | E. semiserratum
|
| Binomial name | |
| Eupatorium semiserratum | |
| Synonyms[2] | |
| |
Eupatorium semiserratum, commonly called smallflower thoroughwort,[3] is a North American plant species in the family Asteraceae. It is native to the southeastern and south-central United States, found in all the coastal states from Maryland to Texas and inland as far as Missouri and Kentucky.[4]
Eupatorium semiserratum stems sometimes more than 100 cm (40 inches) tall and are produced from short rhizomes. The inflorescences, which can be present from late July-October,[5] are composed of a large number of small white flower heads with 5 disc florets but no ray florets. This species is similar to Eupatorium linearifolium but has smaller heads of flowers and stems which branch near the tips rather than near the base.[6] The plants previously known as Eupatorium glaucescens or Eupatorium cuneifolium are now classified as E. semiserratum or E. linearifolium.[3][7]
Another related species is Eupatorium lancifolium, which is found in Alabama, Arkansas, Louisiana, and Texas, and which has sometimes been classified as part of E. semiserratum.[8]
Distribution and habitat
Eupatorium semiserratum is found the southeastern United States, from southeast Virginia south to northern Florida, west to Texas and Arkansas, with a disjunct population found in Tennessee.[5]
Generally, it can be found in wetlands such as swamp forests, seepage bogs, clay-based Carolina bays. It is also found in savannas.[5]
Uses
E. semiserratum has anticancer properties against various human cancer cell lines.
References
- ^ "Eupatorium semiserratum". NatureServe Explorer. NatureServe. Archived from the original on April 15, 2013. Retrieved 2010-09-12.
- ^ The Plant List, Eupatorium semiserratum DC.
- ^ a b "Eupatorium linearifolium". Flora of North America.
- ^ Biota of North America Program 2014 county distribution map
- ^ a b c "Eupatorium semiserratum - FSUS". fsus.ncbg.unc.edu. Retrieved 2025-08-26.
- ^ "Eupatorium". Flora of North America.
- ^ "Eupatorium semiserratum". Flora of North America.
- ^ "Eupatorium lancifolium". Flora of North America.
- ^ Kintzios, Spiridon E. (May 2006). "Terrestrial Plant-Derived Anticancer Agents and Plant Species Used in Anticancer Research". Critical Reviews in Plant Sciences. 25 (2): 79–113. doi:10.1080/07352680500348824. ISSN 0735-2689.