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Eupatorium leucolepis (A.P. de Candolle) Torrey & A. Gray. Savanna Eupatorium, Justiceweed. Phen: Aug-Oct. Hab: Pine savannas, seepage bogs, depression ponds. Dist: Primarily of the Southeastern Coastal Plain, ranging from NY south to n. peninsular FL, Panhandle FL, and west to LA; disjunct in Coffee County, TN (Chester, Wofford, & Kral 1997)

ID notes:This species is often confused with members of the E. recurvans-mohrii-anomalum complex. The following differences are useful: E. leucolepis has phyllaries acuminate to attenuate (vs. acute to obtuse), leaves of the uppermost nodes below the inflorescence opposite, or rarely the uppermost 1-2 nodes subopposite (vs. leaves of the uppermost 2-15 nodes below the inflorescence alternate), and leaves generally longitudinally folded (vs. generally planar).

Origin/Endemic status: Endemic

Taxonomy Comments: The plants formerly called E. leucolepis var. novae-angliae Fernald and endemic to freshwater pondshores in MA and RI apparently represent a distinct allopolyploid species, E. novae-angliae (Fernald) V.I. Sullivan ex A. Haines & Sorrie, and should not be treated as a variety of E. leucolepis.

Synonymy: = K3, K4, NY, Tat, Tn, Tx, Va, LeBlond et al (2007); = Eupatorium leucolepis (DC.) Torr. & A.Gray var. leucolepis – C, F, G; < Eupatorium leucolepis (DC.) Torr. & A.Gray – Fl7, GW2, Pa, RAB, S, SE1, W, WH3; < Eupatorium leucolepis (DC.) Torr. & A.Gray var. leucolepis – FNA21, K1

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW (taxonomic split from wetland indicator species)
  • Eastern Mountains and Piedmont: FACW
  • Northcentral & Northeast: FACW (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 ⭷
image of plant© Alan Weakley source | Original Image ⭷
image of plant© Alan Weakley source | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷

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