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smallflowered milkvetch
Scientific Name: Astragalus nuttallianus var. austrinus
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Annual, Perennial
Other Names:
Astragalus nuttallianus: Smallflowered Milkvetch
Astragalus nuttallianus, a member of the milkvetch family, is known by several common names, including smallflower milkvetch, smallflowered milkvetch, Nuttall's milkvetch, and turkeypeas. It is sometimes referred to as locoweed, particularly in North America.
Taxonomy and Nomenclature
- Scientific Name: Astragalus nuttallianus DC.
- Family: Fabaceae (Pea Family)
- Synonym: USDA Symbol: ASNU4.
- Varieties: Astragalus nuttallianus var. nuttallianus, Astragalus nuttallianus var. austrinus, Astragalus nuttallianus var. imperfectus
Distribution and Habitat
Astragalus nuttallianus is native to the southwestern and southern United States. Its distribution includes states such as Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, and Louisiana. It is commonly found in habitats like juniper grasslands and valleys.
Morphology and Growth
- Astragalus nuttallianus is described as a forb/herb, meaning it is a non-woody plant that is not a grass.
- It is an erect plant which on average grows six to twelve inches tall.
- The smallflowered milkvetch develops growing in height, and develops a bare stem, creating a thick crown. smallflowered milkvetch isn't an evergreen.
- It can be either annual or perennial.