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Humboldt River milkvetch
Scientific Name: Astragalus iodanthus
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Astragalus iodanthus
Also known as Humboldt River milkvetch and violet milkvetch, Astragalus iodanthus is a flowering plant belonging to the legume family.
Considerations for Pets
- This plant is a milkvetch, and many milkvetch species are known as "locoweed."
Taxonomy and Nomenclature
- Scientific Name: Astragalus iodanthus S. Watson
- Family: Fabaceae (Legume family)
- Genus: Astragalus L.
- Common Names: Humboldt River milkvetch, violet milkvetch, milkvetch (general for many species), locoweed (general for many species).
- Synonyms: Tragacantha iodantha (S. Watson) Kuntze, Xylophacos iodanthus (S. Watson) Rydb.
- Varieties:
- Astragalus iodanthus S. Watson var. iodanthus (Humboldt River milkvetch)
- Astragalus iodanthus var. diaphanoides Barneby (snake milkvetch)
Distribution and Habitat
- Astragalus iodanthus is found in the western United States, including areas near the Humboldt River in Nevada.
- Specific locations mentioned include:
- Willow Creek, Trout Creek Mountains
- Sweetwater Flat, Humboldt Toiyabe National Forest (elevation 2015 m / 6605 ft)
- N. Fork of the Little Humboldt River
- Santa Rosa Range, Humboldt National Forest
Morphological Characteristics and Growth Habits
- Astragalus iodanthus is a forb/herb, defined as a non-woody plant that is not a grass.
Ecological Role
- It is suggested to allow the plant to become nearly dry before watering.
Further Information
- USDA-NRCS PLANTS Database
- Discover Life's page about the biology, natural history, ecology, identification, and distribution of Astragalus iodanthus.