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Palmer's milkvetch
Scientific Name: Astragalus palmeri
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Annual, Perennial
Other Names:
Astragalus palmeri - Palmer's Milkvetch
Astragalus palmeri, commonly known as Palmer's milkvetch, is a purple wildflower found in the western and southwestern United States.
Considerations for Pets
- Some species of Astragalus are known as locoweed and can be toxic to livestock.
Taxonomy and Nomenclature
- Scientific Name: Astragalus palmeri A. Gray
- Common Names: Palmer's milkvetch, Palmer's locoweed, Palmer's milk vetch
- Family: Fabaceae (Pea Family or Legume Family)
- Kingdom: Plantae
- Genus: Astragalus L. (milkvetch, astragales, locoweed)
- Synonyms: Astragalus vaseyi, Astragalus vaseyi johnstonii, Astragalus vaseyi metanus
Distribution and Habitat
- Found in the west and southwest of USA.
- Grows at elevations between 150-1650 meters.
Morphological Characteristics
- Perennial forb/herb (a non-woody plant that is not a grass).
- Has elongated clusters of 20 to 40 purple flowers.
- Stems are woody below, or from a woody crown or caudex.
- Taproot is present.
- Stems or branches are arching.
Quirky Facts
- A white Palmer's milkvetch has been discovered.
Additional Information
- Blooms from December to June.
- Nodules are present.
- Native to its region.
- The species was first collected for science by Edward Palmer in 1877 "Near St. Thomas."