Eastern Poison Ivy
Eastern Poison Ivy
Toxicodendron radicans
Plantae
COMMON

Stats

Lifespan
Perennial
Size
Medium
Diet
Photosynthetic
Biome
Temperate forest
Range
Eastern North America
Movement
Climbing
Breeding
Seeds
Defense
Toxins
Status
Common

About

Eastern poison ivy is a widespread North American vine and shrub notorious for triggering intensely itchy, blistering rashes — its oily resin urushiol causes an allergic reaction in roughly 85% of people, even from brief contact with leaves, stems, or roots.

Life cycle

  1. 1.
    seed
    A dormant seed waits for water and warmth before germinating.
  2. 2.
    sprout
    A first shoot emerges with cotyledon leaves and a tap root reaching down.
  3. 3.
    sapling
    A young plant grows true leaves and a stem or trunk, putting on height each season.
  4. 4.
    mature
    Fully grown, flowering or fruiting at adult size.

Learn more

Taxonomy

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Sapindales
Family
Anacardiaceae
Genus
Toxicodendron
Species
Toxicodendron radicans