WHERE’S WILDLIFE • WILDFLOWER FIELD GUIDE

Poison Sumac

Toxicodendron vernix

A wetland shrub or small tree with smooth-edged leaflets and reddish leaf stalks. Pale fruits hang in loose clusters. All parts contain urushiol; avoid contact and never burn this plant.

Poison Sumac field photographs. Select the photo to open the slideshow.

NATIVE • WILDFLOWER

At a glance

Family: Anacardiaceae
Growth: Deciduous shrub or small tree
Bloom: Early–mid summer
Habitat: Swamps, bogs, marshes, and wet riverbank thickets

Other common names
Poison Sumac

Bloom timing varies with location and growing conditions. Source: NC State Extension.

Range Map

Explore photographed sightings and their locations.

How to recognize it

Key identification features

  • 7–13 smooth-edged leaflets
  • Reddish leaf stalks
  • Hanging pale fruit clusters in wet habitats

Where and when to look

Habitat
Swamps, bogs, marshes, and wet riverbank thickets

Bloom period
Early–mid summer

Field photographs

Compare flowers, foliage and the plant in its habitat. Select any photo to enlarge it.

Range & sightings

Native to North America.

Eastern Canada and east-central and eastern United States.

Reported U.S. distribution
AL, CT, DE, FL, GA, IL, IN, KY, LA, MA, MD, ME, MI, MN, MS, NC, NH, NJ, NY, OH, PA, RI, TN, TX, VA, VT, WI, WV

Reported U.S. distribution from the linked source; occurrence does not imply native status in every state.

Distribution source: NC State Extension.

Observations show reported sightings; they do not define the plant’s complete native range.

Keep learning

Study the photographs and field notes for Poison Sumac, then practice identifying this and other wildflowers in the quiz.

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