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Eupatorium mohrii E.L. Greene. Common name: Mohr's Eupatorium. Phenology: Aug-Oct. Habitat: Moist pine savannas, other wet habitats. Distribution: Se. VA south to s. FL and west to TX.

Origin/Endemic status: Endemic

Taxonomy Comments: Like E. anomalum, E. mohrii is believed to be a triploid and tetraploid, apomictic derivative of the hybrid E. recurvans × rotundifolium; it is more widespread than E. recurvans sensu stricto. Inasmuch as it is now a separate lineage (as evidenced by a distinct distribution, more-or-less recognizable morphology, and phenologic separation), treatment as a separate taxon seems warranted.

Synonymy : = GW2, Va; < Eupatorium anomalum Nash — S; < Eupatorium mohrii Greene — C, Fl7, FNA21, K4, SE1, W, WH3, Schilling & Grubbs (2016); < Eupatorium recurvans Small — F, G, RAB; Eupatorium mohrii Greene — (basionym)

Links to other floras: < Eupatorium mohrii - FNA21

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW (taxonomic split from wetland indicator species)
  • Eastern Mountains and Piedmont: FAC
  • Great Plains: FAC (taxonomic split from wetland indicator species)

Heliophily : 8

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷

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Horticultural Information

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native range
Erect perennial of moist savannas, margins of ponds and other wet habitats.
Stems simple or branched at the base into 2 or more aerial stems, densely branched toward the top, minutely hairy to rough-hairy.
Leaves opposite and alternate, subsessile, narrowly elliptic to lance-shaped and tapering to the base, to 4 in. long, often coarsely toothed, hairy to smooth, dotted with glands beneath.
Composite flowers (heads) arranged in narrow, branching, terminal cluster; heads about 1/4 in. long, consisting of 5 white, tubular florets surrounded by 1-2 series of tiny oblong-lance-shaped bracts.
2-3 ft.
Erect perennial of moist savannas, margins of ponds and other wet habitats.
Stems simple or branched at the base into 2 or more aerial stems, densely branched toward the top, minutely hairy to rough-hairy.
Leaves opposite and alternate, subsessile, narrowly elliptic to lance-shaped and tapering to the base, to 4 in. long, often coarsely toothed, hairy to smooth, dotted with glands beneath.
Composite flowers (heads) arranged in narrow, branching, terminal cluster; heads about 1/4 in. long, consisting of 5 white, tubular florets surrounded by 1-2 series of tiny oblong-lance-shaped bracts.


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