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rimrock milkvetch
Scientific Name: Astragalus desperatus var. conspectus
Family: Fabaceae
Category: Dicot
Growth: Subshrub, Forb/herb
Duration: Perennial
Other Names:
Rimrock Milkvetch (Astragalus desperatus)
The plant commonly known as Rimrock Milkvetch is scientifically classified as Astragalus desperatus.
Considerations for Pets
- Some plants in the Astragalus genus are referred to as "locoweed," a term associated with toxicity in livestock.
Taxonomy and Nomenclature
- Scientific Name: Astragalus desperatus M.E. Jones
- Common Name: Rimrock Milkvetch
- Family: Fabaceae (Pea Family / Leguminosae)
- Genus: Astragalus L.
- Variety: Astragalus desperatus var. desperatus
- Synonyms/Related Taxa:
- Astragalus desperatus var. petrophilus M.E. Jones
- Astragalus desperatus var. conspectus Barneby
Distribution and Habitat
- Rimrock Milkvetch is found in semi-desert environments.
- It often grows in small pockets of soil on sandstone outcrops, leading to the "rimrock" connotation.
- Specific locations mentioned include:
- Colorado National Monument, CO
- Butler Wash
- Canyonlands
- Western Colorado
- "F Corners" area on remote rimrock ledges and mesa tops
Morphological Characteristics
- Rimrock Milkvetch is a perennial herb.
- It typically grows to a height of 0.4 inches to 1 foot (1 to 30 cm).
- It is sometimes classified as a subshrub or forb/herb.
Additional Information
- Real gardeners supply information and planting care instructions.
- It flowers in the spring.
Further Resources
- Discover Life: Provides biology, natural history, ecology, identification, and distribution information.
- USDA Plants Database.
- Dave's Garden: A community sharing gardening tips and ideas.