Search By Location 
 

Creosote-Bush Greasewood (Larrea)

section divider
Home « California « San diego « Larrea

Creosote-Bush Greasewood Genus Details

section divider
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

section divider
Reports in studies have shown this to be potentially allergenic, specifically in California.

Creosote-Bush Greasewood Pollen Description

section divider
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

section divider
Allergenicity Legend:
Mild Allergen Mild Allergen  |  Moderate Allergen Moderate Allergen  |  Severe Allergen Severe Allergen  |  Allergy Test Allergy Test Available
Creosote-Bush Greasewood (Larrea) is a genus of the ZYGOPHYLLACEAE family.
This genus includes the following allergenic species:

Allergens and Plants Search

section divider Enter a full or partial species name to find more information on one of over 1200 potentially allergenic plants. For example, you can find chenopods searching on "cheno" (no quotes) as Latin Name.

Search By Plant Name:
 
 Common Name    Latin Name

Search By Alphabet:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Advertisement

Creosote-Bush Greasewood Genus Location

section divider
The shaded areas on the map indicates where the genus has been observed in the United States. Click the map to see a full scale version of these allergy areas.
  - Native, observed in a county
  - Introduced, observed in a county
  - Rarely observed

Related Links

section divider
Advertisement
facebook_twitter

Advertisement