Creosote-Bush Greasewood (Larrea)
Creosote-Bush Greasewood Genus Details
The creosote bush is an evergreen balsam-scented shrub that grows to 10 feet tall in dry soils. Some say this shrub has a creosote odor. The small leaves reach 1/3 inch long, and are opposite, fleshy or leathery, spine-like, and resinous. The yellow flowers usually reach 1/4 inch long. Flowering occurs during February to August in the south central U.S. and from March to May in the southwestern U.S. The creosote bush is insect-pollinated but the pollen may become airborne.
Creosote-Bush Greasewood Allergy Info
Reports in studies have shown this to be potentially allergenic, specifically in California.
Creosote-Bush Greasewood Pollen Description
Grains are prolate to prolate-spheroidal. The amb is triangular with convex sides and 3-colporate.
Pollen grains are generally 28-30 micrometers in diameter.
Species in This Genus
Allergenicity Legend:
Mild Allergen | Moderate Allergen | Severe Allergen | Allergy Test Available
Mild Allergen | Moderate Allergen | Severe Allergen | Allergy Test Available
Creosote-Bush Greasewood (Larrea) is a genus of the ZYGOPHYLLACEAE family.
This genus includes the following allergenic species:
This genus includes the following allergenic species: