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Bloodleaf (Iresine)

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Bloodleaf Genus Details

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Bloodleaf is a perennial herb that spreads by rhizomes. It is .5 to 1.5 meters tall and the leaves are opposite, thin, ovate and narrow at the base. The flowers are silvery white and release large amounts of pollen. It grows in low wet woods, thickets and along streams.

Bloodleaf Allergy Info

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When blooming, pollen shed is considered a concern in pollinosis.

Bloodleaf Pollen Description

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Pollen grains in the Amaranthaceae family are spheroidal and polyporate, with roughly 20 pores. The pores are in luminoid areas being separated by densely granular luminoid ridges.
The grains are between 14-17 micrometers in diameter.
Iresine portulacoides, single grain. Herb. MIN
Iresine portulacoides, single grain. Herb. MIN
Iresine portulacoides, multiple grains. Herb. MIN
Iresine portulacoides, multiple grains. Herb. MIN

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
Bloodleaf (Iresine) is a genus of the AMARANTHACEAE family.
This genus includes the following allergenic species:

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Bloodleaf 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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