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limestone glade milkvetch
Scientific Name: Astragalus bibullatus
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names: TN (Pyne's ground-plum)
Astragalus bibullatus: Limestone Glade Milkvetch
Astragalus bibullatus, commonly known as limestone glade milkvetch, is a perennial herb belonging to the Fabaceae (pea) family. Other common names include Pyne's Ground-plum and Guthrie's Ground-plum.
Considerations for Pets
- The plant is a milkvetch, and many milkvetch species are referred to as "locoweed" in North America.
Taxonomy and Nomenclature
- Scientific Name: Astragalus bibullatus Barneby & Bridges
- Family: Fabaceae (Pea Family)
- Kingdom: Plantae
- Taxonomic Rank: Species
- Synonyms: Pyne's Ground-plum, Guthrie's Ground-plum
Distribution and Habitat
- Limestone glade milkvetch is endemic to a few cedar glades in Rutherford County.
- It is found in calcareous soils of Gladeville and Talbott series on karst limestone.
- This plant can be found in limestone glades, savannas, and shorelines.
Morphological Characteristics
- Astragalus bibullatus is a perennial forb (a non-woody plant that is not a grass).
- It grows from a taproot.
- The plant has leafy, branching stems bearing compound leaves with 13-25 small leaflets.
- The typical height of the plant is between 30-90 cm.
- The plant assumes a yellow coloring in the autumn and is not an evergreen.
Related Species and Habitats
- Astragalus neglectus (Cooper's milk vetch) is another species found in similar habitats, such as limestone bedrock glades in Michigan's Upper Peninsula.
- Astragalus tennesseensis (Tennessee milkvetch) also grows in similar glade ecosystems.
Further Information
- Discover Life offers information about the biology, natural history, ecology, identification, and distribution of Astragalus bibullatus.