No images found for this plant ID: 4605.
Ensure images are uploaded to the Media Library and tagged with "4605" in the "plant_image_tag" taxonomy.
sandstone milkvetch
Scientific Name: Astragalus sesquiflorus
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Sandstone Milkvetch (Astragalus sesquiflorus)
Considerations for Pets
- This plant is in the Astragalus genus, also known as milkvetch and locoweed. Locoweed is a common name for some species in the western US.
Considerations for Children
- This plant is in the Astragalus genus, also known as milkvetch and locoweed. Locoweed is a common name for some species in the western US.
Taxonomy and Nomenclature
- Scientific Name: Astragalus sesquiflorus S. Watson
- Common Names: Sandstone Milkvetch
- Family: Fabaceae (Pea or Legume family)
- Genus: Astragalus L. (Milkvetch, Astragales, Locoweed)
- Synonyms:
- Astragalus sesquiflorus var. brevipes Barneby
Distribution and Habitat
- Sandstone Milkvetch is found on sandstone rock ledges, fissures of domed slickrock, talus under cliffs, and sometimes in sandy areas.
- It can also be found on rimrock ledges and mesa tops in Point Lookout sandstone, which is a Cretaceous sandstone formation.
- Geyer's milkvetch (Astragalus geyeri) grows on outcrops of Fox Hill sandstone along the shore of Fort Peck Reservoir.
- Mancos milkvetch (Astragalus humillimus) is usually found on large, nearly flat sheets of sandstone.
- Harrison's milkvetch occurs primarily in the Morrison Formation and Entrada Sandstone.
Morphological Characteristics and Growth Habits
- Humboldt Milkvetch is generally glabrous with sparse hairs.
Related Species
- Astragalus wetherillii Jones (Wetherill's milkvetch)
- Astragalus anisus
- Astragalus geyeri (Geyer's Milkvetch)
- Astragalus humillimus A. Gray ex Brand (Mancos Milkvetch)
- Astragalus preussii Gray (Preuss' Milkvetch)
- Astragalus pulsiferae Gray (Ames' Milkvetch)
- Astragalus rafaelensis (San Rafael Milkvetch)
- Astragalus musiniensis (Stinking Milkvetch)
- Astragalus praelongus var. praelongus
- Astragalus ceramicus Sheldon (Painted Milkvetch)
- Astragalus danicus Retz. (Purple Milk-vetch)
Watering Information
- It is suggested to water these plants only from time to time, ensuring to wet the soil deeply using 1-2 [unspecified units].
Further Information
- Discover Life offers a page about the biology, natural history, ecology, identification, and distribution of Astragalus sesquiflorus.
- The Smithsonian Institution, National Museum of Natural History holds information about Astragalus sesquiflorus.