Poison Ivy
Toxicodendron radicans ssp. verrucosum
Characteristics
- Cautions - Can cause a delayed but severe rash.
- Foliage - Leaf with exactly 3 leaflets, red petiole, highly variable lobes.
- Stem structures - Glabrous, with lenticels, smooth to very rough surface.
- Fruit - Berries are poisonous. Roughly rounded clusters.
Vines grow in full sun to full shade, open fields to deep forest.
Leaf always with exactly 3 leaflets.
Leaflet margin.
Stem with nodes. Note red petioles.
A more mature stem with nodes.
Very mature stem with "fuzzy" looking tendrils. These can be 20cm (4") thick.
Fruit. Note the cluster form.
Vines Gallery
