Redwood (Sequoia)
Redwood Genus Details
The redwood is native in southern Oregon and California. The small evergreen needles are 1" long. The tree grows open and straight with a massive trunk which can be 85' in circumference. Small pine cones can be up to 1" long. The bark is very thick and the wood is red, solid and long lasting. These are the tallest trees in North America with some being over 300' tall.
Redwood Allergy Info
Little or no allergenicity has been reported. Likely unrelated to allergenic proteins of the redwood pollen, asthma attacks as a result of sawing the wood and inhaling the resulting dust have been published.
Redwood 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
Redwood (Sequoia) is a genus of the CUPRESSACEAE family.
This genus includes the following allergenic species:
This genus includes the following allergenic species:
