Rhus radicans
Poison Ivy
Anacardiaceae

Located on Picea abies near chemistry building and infirmary.

  • leaves alternate, compound, trifoliate (3 leaflets)
  • leaves glossy dark green, with slightly serrated margin
  • buds pointed, imbricate, orange-brown
  • stems thick, coarse, gray-brown, smooth
  • stems form "hair-like" aerial rootlets along length which allow plant to attach to trees
  • flowers green-yellow, in axillary clusters, in spring
  • fruit is a white-yellow berry, in clusters, ripening in early fall
  • habit is usually a vigorous, self-clinging vine with stems that branch out perpendicular to trunk
  • plant may also be found as a low shrub
  • plant contains an irritating oil in all its parts, thus contact should be avoided


View Rhus radicans page in the UConn Plant Database


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