Bloodleaf

( lat. Iresine )

Kingdom: Plantae
Order: Caryophyllales
Family: Amaranthaceae
Genus: Iresine

Plant Allergy Overview

Allergenicity

Moderate

Pollen Season

Summer Fall

Type

Weed

Sub-Type

Annual

Allergy Information

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


Genus Details

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.


Pollen Description

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.


Genus Distribution

The shaded areas on the map indicates where the genus has been observed in the United States.

- Native, observed in a county 
- Introduced, observed in a county 
- Rarely observed


Species in Plantain Genus

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