Pacific Poison-Oak (Toxicodendron diversilobum)
Pacific Poison-Oak Species Description
This species is native to North America north of Mexico.
Allergenicity: Pacific Poison-Oak (Toxicodendron diversilobum) is a severe allergen.
Pollination: Occurs in following seasons depending on latitude and elevation: Spring.
Angiosperm - Flowering Dicot: Plants in this group have two embryonic leaves (dicotyledons). Examples of dicotyledons are beans, buttercups, oaks, sunflowers, etc.
Tree: A large plant, not exactly defined, but typically over four meters in height, a single trunk which grows in girth with age and branches (which also grow in circumference with age).
Shrub: A woody plant smaller than a tree, and usually with several stems from the same root.
Weed: Any plant growing in cultivated ground to the injury of the crop or desired vegetation, or to the disfigurement of the place; an unsightly, useless, or injurious plant.
Perennial: Living for many years.
Woody Stem: Non-herbaceous. Lignified.
Herbaceous Stem: Not woody, lacking lignified tissues.
Pacific Poison-Oak Species Usage
Pharmacological: Used in medicine or pharmacological research.
Honey/Bee Pollen: A plant used as a source of food for Honey Bees, and may be a flavor of honey such as clover or alfalfa.
More Pacific Poison-Oak (Toxicodendron diversilobum) imagesby Jessie M. Harris from BONAP