Port Orford-Cedar (Chamaecyparis)
Port Orford-Cedar Genus Details
Port Orford-Cedar is native to North America and Japan. It is a popular shrub and evergreen tree in landscaping. Generally the North American variety can be found in wet areas but the Japanese cultivars can grow in dry areas. Leaves on the cedar trees are evergreen and 1/8 inch long. They are scale like and dull blue-green with white lines underneath. The bark is reddish-brown, thin and fibrous becoming scaly and loose. The twigs are slender and flattened. Cones are tiny and about 1/4 inch long. Pioneers used the wood for shingles on log cabin roofs because its durability.
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Atlantic White-Cedar (Chamaecyparis thyoides).
Port Orford-Cedar Allergy Info
Chamaecyparis are very high pollen producers and have produced severe allergic reactions in many people.
Port Orford-Cedar Pollen Description
Grains are usually spheroidal with a thin exine. The grains are 1-aperturate with a faint circular pore. The pollen grains are uniform within the family and different genera are difficult to distinguish.
Grains are 25-36 micrometers in diameter.
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Juniperus virginia, single grain. Herb. MIN
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Juniperus virginia, multiple grains. Herb. MIN
Species in This Genus
Allergenicity Legend:
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Port Orford-Cedar (Chamaecyparis) is a genus of the CUPRESSACEAE family.
This genus includes the following allergenic species:
This genus includes the following allergenic species:
