Bluestem (Andropogon)
Bluestem Genus Details
Broom sedge is a tall reddish bunch of perennial grass that has panicles (flowering structures) which wave like red flags in the wind. The grass sheaths are smooth. Hairs extending from the grass are long and silky. Broom sedge is a high pollen producer and most pollen is shed from June to July. One generally can find broom sedge in fields, pastures and waste areas. It can get to 3-5 feet tall. Andropogon means "bearded like an old man."
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Big Bluestem (Andropogon gerardii).
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Big Bluestem (Andropogon gerardii).
Bluestem Allergy Info
The grass family in general is considered significant allergenically.
Bluestem Pollen Description
Grains are spheroidal to ovoidal, sometimes elliptical. The exine is thin and the surface is granular to finely reticuloid. Pocaceae apertures are 1-porate, with the pores usually circular to ovoidal.
Grains are 22-122 micrometers in diameter.
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This plant belongs to the grass family. All pollen grains in this family are similar to the Poaceae (grass) grain pictured here. Herb. MIN
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This plant belongs to the grass family. All pollen grains in this family are similar to the Poaceae (grass) grains pictured here. Herb. MIN
Species in This Genus
Allergenicity Legend:
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Mild Allergen |
Moderate Allergen |
Severe Allergen |
Allergy Test Available
Bluestem (Andropogon) is a genus of the POACEAE family.
This genus includes the following allergenic species:
This genus includes the following allergenic species:
