#6. Poison Oak
Scientific Name:
Rhus diversiloba
Family Name:
Sumac Family
Habitat:
Forest openings to talus slopes at low elevation along Columbia & Willamette
Rivers.
Characteristics:
1. Low bush to small tree (2-8 ft tall).
2. Leaf shiny green, with 3 leaflets that are oval-shaped to slightly lobed.
3. Resembles small oak tree.
4. Oils cause severe itch & rash.
Uses or Importance:
1. Caution- All aspects of this plant are dangerous (Some people are more
allergic than others.).
2. Avoid contact with infested pets or clothes!
3. Eating it or breathing its smoke may be fatal!
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Paul Slichter