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limestone milkvetch
Scientific Name: Astragalus titanophilus
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Limestone Milkvetch (Astragalus titanophilus)
The Limestone Milkvetch, scientifically known as Astragalus titanophilus, is a perennial forb belonging to the Fabaceae family. It is also known as Titanophilus.
Considerations for Pets
- Many species of Astragalus are referred to as "locoweed," particularly in North America.
Taxonomy and Nomenclature
- Scientific Name: Astragalus titanophilus Barneby
- Common Name: Limestone Milkvetch
- Family: Fabaceae (Pea or Legume family)
- Genus: Astragalus L. (Milkvetch, Astragales, Locoweed)
Distribution and Habitat
- The Limestone Milkvetch is found in areas with limestone formations.
- It grows in calcareous soils, limestone glades, savannas, and shorelines.
- Specific locations mentioned include:
- Gladeville and Talbott series on karst limestone
- Wyoming (restricted to limestone or dolomite in some species)
- Blanc Sablon, Quebec (for Astragalus robbinsii var. fernaldii)
Morphological Characteristics
- It is a perennial forb with a taproot.
- Leafy branching stems bear compound leaves with 13-25 small leaflets.
- Astragalus cremnophylax var. cremnophylax (Sentry Milk-vetch) is usually less than 2.5 cm (1 in) high.
Ecological Role
- It thrives in short, dry, and infertile calcareous grasslands, both on limestone and chalk.
Synonyms and Related Species
- Astragalus bibullatus Barneby & Bridges (Limestone Glade Milkvetch)
- Astragalus cremnophylax var. cremnophylax (Sentry Milk-vetch)
- Astragalus danicus Retz. (Purple Milk-vetch)
- Astragalus villosus (Hairy Milk-vetch)
- Astragalus robbinsii var. fernaldii (Fernald's Milkvetch)