| Author | Muhl. ex Willd. | |
| Distribution | Piedmont and Coastal Plain, based on map in Weakley (2023). The SERNEC database lists specimens for Burke (NCSC) and Wake (NCU) counties, both in the Piedmont. It is likely that other specimens reside in various other herbaria.
"NY, MI, and IA, south to NC, AL, MS, and w. LA" (Weakley 2023). | |
| Abundance | Weakley (2023) considers this as a rare hybrid in NC. | |
| Habitat | "Moist, open areas, ditches, roadsides" (Weakley 2023). | |
| Phenology | Blooms from August to October. | |
| Identification | This is a hybrid between E. perfoliatum and E. serotinum, both common species of moist thickets and damp places in the state. It is most similar to the scarce E. resinosum, but this hybrid has "Leaves truncate to cuneate (at least at top of stem), usually finely serrate on upper leaves, sometimes coarsely serrate on lower leaves, widest slightly below the middle" (Weakley 2023). | |
| Taxonomic Comments | See above.
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| Other Common Name(s) | Truncate Eupatorium | |
| State Rank | HYB | |
| Global Rank | GNA | |
| State Status | | |
| US Status | | |
| USACE-agcp | | |
| USACE-emp | | |
