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Toxicodendron vernix (Linnaeus) Kuntze. Poison Sumac, Thunderwood, Poison Elder, Poison Dogwood. Phen: May-Jun; Aug-Sep. Hab: In peaty habitats, in the Coastal Plain frequent in streamhead pocosins and sandhill seepage bogs, in the mountains in bogs. Dist: NS west to MN, south to c. peninsular FL and TX.

ID notes: The leaf rachis and leaflet petiolules are usually a dark red or maroon color. The leaves turn a very attractive shade of orange-red in autumn.

Origin/Endemic status: Native

Synonymy: = C, Fl4, GW2, Il, K1, K3, K4, Mi, NcTx, NE, NeUS, NY, Pa, S, Tn, Va, W, WH3; = Rhus vernix L. – F, G, RAB, S13, Tat, Tx, WV

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Wetland Indicator Status:

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

Heliophily ?: 6

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image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Scott Ward | 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© Alan Cressler: Toxicodendron vernix, Blackwater River State Forest, Santa Rosa County, Florida 1 by Alan Cressler source | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷
image of plant© Scott Ward | Original Image ⭷

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