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Budsage (Picrothamnus)

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Home « Nevada « Clark « Picrothamnus

Budsage Genus Details

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This genus is synonymous with the genus Artemisia. Budsage is a low, spiny shrub growing to 1 foot tall with leaves divided and lobed with narrow divisions and few flower heads. It is a shrubby dwarf rosette that likes dry saline or alkaline soils commonly found in western states. Budsage flowers from March to June.

Budsage Allergy Info

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This is an important cause of allergy in western U.S., usually referred to as Artemisia. All species are wind-pollinated and usually produce large amounts of pollen. These plants may be the most significant cause of pollinosis after ragweeds and the grasses.

Budsage Pollen Description

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Pollen grains of Artemisia are prolate spheroidal to subspheroidal and 3-colporate. The colpi are long and the sexine is thickened equatorially and thinner at the poles with short spinules (0.6um long) interspersed with granules.
Artemisia pollen, single grain. Herb. MIN Picrothamnus has pollen of the Artemisia-type.
Artemisia pollen, single grain. Herb. MIN Picrothamnus has pollen of the Artemisia-type.
Artemisia pollen, multiple grains. Herb. MIN. Picrothamnus has pollen of the Artemisia-type.
Artemisia pollen, multiple grains. Herb. MIN. Picrothamnus has pollen of the Artemisia-type.

Species in This Genus

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Allergenicity Legend:
Mild Allergen Mild Allergen  |  Moderate Allergen Moderate Allergen  |  Severe Allergen Severe Allergen  |  Allergy Test Allergy Test Available
Budsage (Picrothamnus) is a genus of the ASTERACEAE family.
This genus includes the following allergenic species:

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Budsage Genus Location

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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

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