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Beckwith's milkvetch
Scientific Name: Astragalus beckwithii var. purpureus
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Beckwith's Milkvetch
Beckwith's Milkvetch, scientifically known as Astragalus beckwithii, is a perennial forb belonging to the pea family.
Taxonomy and Nomenclature
- Scientific Name: Astragalus beckwithii Torr. & A. Gray
- Common Name: Beckwith's Milkvetch
- Family: Fabaceae (Pea family)
- Genus: Astragalus
- Species: beckwithii
- Taxonomic Rank: Species
- Subspecies/Varieties:
- Astragalus beckwithii var. purpureus M.E. Jones
- Astragalus beckwithii var. beckwithii
- Astragalus beckwithii var. sulcatus
- Astragalus beckwithii var. weiserensis
- Astragalus beckwithii var. cottonii
Morphology and Growth
- Beckwith's Milkvetch is described as a low-growing perennial forb.
- It has compound leaves that are generally glabrous (smooth).
- The flowers are purple and resemble "pea flowers" due to their bilaterally symmetrical structure.
- Blooms from April to June
Distribution and Habitat
- The genus Astragalus is native to temperate regions of the Northern Hemisphere.
- Observed in locations such as Ada County, Idaho and Salt Lake County, Utah.
Related Species
- Webber's milkvetch (A. webberi)
- Ertter's milkvetch
- Astragalus bisulcatus (two-grooved milkvetch)
- Astragalus bodinii (Bodin's milkvetch)
- Astragalus bgovii (Bgeau's milkvetch)
- Astragalus canadensis (Canada milkvetch, Canadian milkvetch)
Further Information
- Discover Life provides information on the biology, natural history, ecology, identification, and distribution of Astragalus beckwithii.
- USDA-NRCS PLANTS Database