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Arrow-Grass (Triglochin)

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Arrow-Grass Genus Details

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Triglochin are perennial, sedge-like plants with leaves that resemble grasses. Arrowgrass is found in marshes and bogs of colder temperate regions in North America. Arrowgrass is not commonly found near populated areas in this continent. However, it is being planted as a landscape plant around water gardens and small ponds in urban areas. Greenish-white flowers are on stems 5-10" tall. Flowering occurs from May to July or August and the pollen is dispersed by wind. Each flower produces 3 single-seeded capsules. Seaside arrowgrass is poisonous to livestock.

Arrow-Grass Allergy Info

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Little or no allergenicity has been reported for this grass. Pollen has been identified on collection slides in Canada, but it has not been verified as allergenic.

Arrow-Grass Pollen Description

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No pollen description is currently available.

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
Arrow-Grass (Triglochin) is a genus of the JUNCAGINACEAE family.
This genus includes the following allergenic species:

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Arrow-Grass 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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