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thickpod milkvetch
Scientific Name: Astragalus pachypus var. pachypus
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Astragalus pachypus - Thickpod Milkvetch
Astragalus pachypus, commonly known as thickpod milkvetch, is a perennial herb belonging to the milkvetch genus.
Taxonomy and Nomenclature
- Scientific Name: Astragalus pachypus Greene
- Family: Fabaceae (Legume family)
- Synonym: Brachyphragma pachypus Rydb.
- Subspecies:
- Astragalus pachypus Greene var. pachypus
- Astragalus pachypus Greene var. jaegeri Munz & McBurney (Jaeger's bush milk-vetch, Jaeger's milkvetch)
Common Names
- Thickpod Milkvetch
- Milkvetch (general for the *Astragalus* genus)
- Locoweed (some species, especially in North America)
- Mt. Diablo Milkvetch
- Diablo Locoweed
- Jaeger's Bush Milkvetch
- Jaeger's Milkvetch
Distribution and Habitat
- Astragalus pachypus is endemic to California, where it is found in many types of habitats.
- The plant is native to the United States, including Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, and Louisiana.
Morphological Characteristics and Growth Habits
- Astragalus pachypus is a forb/herb, meaning it is a non-woody plant that is not a grass.
- It is a perennial plant.
- The plant develops a bare stem, creating a thick crown and has a tree-like growth habit.
Ecological Role
- Some *Astragalus* species are known as "locoweed" and can be toxic to livestock.