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eared redstem
Scientific Name: Ammannia auriculata
Family: Lythraceae
Category: Dicot
Growth: Forb/herb
Duration: Annual
Other Names:
Eared Redstem (Ammannia auriculata)
Ammannia auriculata, commonly known as Eared Redstem, is a forb/herb belonging to the genus Ammannia.
Taxonomy and Nomenclature
- Scientific Name: Ammannia auriculata Willd.
- Family: Lythraceae (Loosestrife Family)
- Kingdom: Plantae
- Synonyms: Ammannia auriculata var. arenaria (Kunth) Koehne
Common Names
- Eared Redstem
- Earleaf ammannia
Distribution and Habitat
Ammannia auriculata is found in various locations, including:
- Arizona, USA
- Louisiana, USA
- Oklahoma, USA
- New Mexico, USA
It thrives in consistently moist areas.
Morphological Characteristics and Growth Habits
- Eared Redstem is described as a forb/herb, a non-woody plant that is not a grass.
- The plant can be grown in the garden throughout the whole year and doesn't fear cold weather.
- Middle and upper stem leaves are stalkless, eared.
Ecological Role
- In the United States, Eared Redstem has evolved resistance to Group B/2 herbicides, posing challenges for weed control.
- It is considered a dicot weed.
Interactions with Other Organisms
- Resistance to ALS inhibitor herbicides in rice was reported in 1997 in conjunction with ricefield bulrush (Schoenoplectus mucronatus).
Additional Information
- The plant has been traditionally used to treat snake bites.
Further Resources
- Integrated Taxonomic Information System (ITIS)
- USDA-NRCS PLANTS Database
- Discover Life
- Catalogue of Life