Simple or sparingly branched, suberect shrub, seldom over 1 m; young twigs pubescent, as also the petioles; lfls 3, the terminal one long-petiolulate, the lateral ones usually subsessile, pubescent on both sides or eventually glabrate above, ovate to obovate or subrotund, 4-8 cm, mostly blunt or rounded at the tip, commonly with 2-4 blunt or rounded deep teeth or shallow lobes on each side, or the margins merely wavy; fr yellowish-white, 5 mm, pubescent at first, becoming minutely papillose; 2n=30. Sandy woods; L.I. and N.J. to n. Fla., w. to W.Va., s. Mo., s. Kans., and Tex. May. (T. toxicaria; Rhus quercifolia; R. toxicodendron)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Common Name: Atlantic poison oak Duration: Perennial Nativity: Native Lifeform: Subshrub Synonyms: None