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Justicia americana (Linnaeus) Vahl. American Water-willow. Phen: (Apr-) Jun-Oct. Hab: River and stream beds, in shallow water, often rooted in rocky shallows. Dist: W. QC west to s. MI and NE, south to sw. GA, Panhandle FL, and s. TX; COA and CHH.

Origin/Endemic status: Native

Synonymy: = Ar, C, Fl6, GrPl, GW2, Il, K1, K3, K4, Mi, Mo2, NcTx, NE, NY, Ok, Pa, RAB, Tat, Tn, Tx, Va, W, WH3, WV, Daniel (2013), Long (1970), Wasshausen (1998); = Dianthera americana L. – S; > Justicia americana (L.) Vahl var. americana – F, G; > Justicia americana (L.) Vahl var. subcoriacea Fernald – F, G; > Justicia mortuifluminis Fernald – F

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: OBL
  • Eastern Mountains and Piedmont: OBL
  • Great Plains: OBL
  • Midwest: OBL
  • Northcentral & Northeast: OBL

Heliophily: 8

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image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Joey Shaw source | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Alan Cressler: Justicia americana, New River, Sandstone Falls, New River Gorge National River, Raleigh and Summers Counties, West Virginia 1 by Alan Cressler source | Original Image ⭷

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