Sweet-Fern (Comptonia)
Sweet-Fern Genus Details
This species is a low, deciduous shrub that grows from 1 to 4.5 feet high and has fragrant foliage. The alternate, simple leaves are fernlike and the catkins (flowering structures) are clustered at the ends of the branches. Seeds grow in burlike heads with four per fruit. This plant is found in New Brunswick, New England to Georgia, the upper mid-west and southern Canada. It grows well in coniferous forests in well-drained, dry, acidic, sandy or gravelly soils.
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Sweet-Fern (Comptonia peregrina).
Sweet-Fern Allergy Info
This genus is usually considered only a minor cause of allergic reactions.
Sweet-Fern Pollen Description
Pollen grains of Comptonia are suboblate; the amb rounded-triangular with slightly convex sides and 3-4 porate. The sexine is tectate, granular or minutely scabrate and the intine is thickened beneath the pores, forming an oncus. Pollen grains from this family (Myricaceae) resemble that of Betulaceae and Casuarinaceae.
Species in This Genus
Allergenicity Legend:
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Sweet-Fern (Comptonia) is a genus of the MYRICACEAE family.
This genus includes the following allergenic species:
This genus includes the following allergenic species:
