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Beckwith's milkvetch
Scientific Name: Astragalus beckwithii var. sulcatus
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Beckwith's Milkvetch (Astragalus beckwithii)
Beckwith's Milkvetch, scientifically known as Astragalus beckwithii, is a perennial forb belonging to the pea family. It is also known by the common name "Beckwiths milkvetch."
Taxonomy and Nomenclature
- Scientific Name: Astragalus beckwithii Torr. & A. Gray
- Common Name: Beckwith's Milkvetch, Beckwiths milkvetch, Weiser milk-vetch.
- Family (Scientific): Fabaceae (Pea family)
- Genus: Astragalus
- Taxonomic Rank: Species
- Subspecies: Several varieties are mentioned, including:
- Astragalus beckwithii var. beckwithii
- Astragalus beckwithii var. purpureus M.E. Jones
- Astragalus beckwithii var. sulcatus
- Astragalus beckwithii var. weiserensis
- Astragalus beckwithii var. cottonii
- Synonyms: Mentions Astragalus sulcatus, Astragalus bisulcatus, Astragalus bodinii, and Astragalus bgovii as other Astragalus species.
Morphological Characteristics and Growth Habits
- Beckwith's Milkvetch is described as a low-growing perennial forb.
- It has compound leaves that are described as glabrous (smooth).
- The flowers are purple and shaped like "pea flowers" (bilaterally symmetrical).
Distribution and Habitat
- The Astragalus genus is native to temperate regions of the Northern Hemisphere.
- Specific mentions of its presence include Ada County, Idaho and Salt Lake County, Utah.
Related Species
- Mentioned as related to Webber's milkvetch (A. webberi) and Ertter's milkvetch.
Further Information
- Discover Life has a page dedicated to the biology, natural history, ecology, identification, and distribution of Astragalus beckwithii.
- The USDA-NRCS PLANTS Database is another source of information.