Orache, Saltbush (Atriplex)
Orache, Saltbush Genus Details
Members of the genus Atriplex are usually herbs or shrubs with deep roots and inconspicuous flowers. About 60 species are native or naturalized to the U.S., growing in salty, arid, and semiarid soils. Herbaceous plants usually have lance-shaped or triangular leaves with flowers located in clusters up to 12 inches tall. Plants can be up to 4 feet tall. Shrubs have woody stems that can grow 6 to 9 feet tall and typically have silvery-white leaves. Wind-pollinated, flowering occurs during August to October, but it can occur in early spring to autumn depending on the species and latitude.
Orache, Saltbush Allergy Info
Pollen allergenicity is said to cross-react with pollen from Amaranthus (pigweed) and Chenopodium (goosefoot) plants, which are particularly allergenic. Some saltbush species have been reported to be a major cause of late-summer pollinosis in SW U.S. and California. Saltbush pollen has not been reported to be a major cause of allergy in eastern U.S.
Orache, Saltbush Pollen Description
Pollen grains of the Chenopodiaceae resemble golfballs, with a spheroidal shape and pantoporate surface. The pores are circular and distributed evenly across the pollen grain.
Pollen grains of Atriplex vary in size between 23 and 30 micrometers.
This plant is a member of the Chenopodiaceae pollen type group. This chenopod pollen grain photo represents all members of this group.
This plant is a member of the Chenopodiaceae pollen type group. This chenopod pollen grain photo represents all members of this group.
Species in This Genus
Allergenicity Legend:
Mild Allergen | Moderate Allergen | Severe Allergen | Allergy Test Available
Mild Allergen | Moderate Allergen | Severe Allergen | Allergy Test Available
Orache, Saltbush (Atriplex) is a genus of the CHENOPODIACEAE family.
This genus includes the following allergenic species:
This genus includes the following allergenic species: