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Laurent's milkvetch
Scientific Name: Astragalus collinus var. laurentii
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names: OR (Lawrence milk-vetch)
Hillside Milkvetch & Laurent's Milkvetch
This entry focuses on two closely related plants: Hillside Milkvetch (Astragalus collinus) and Laurent's Milkvetch (Astragalus collinus var. laurentii). It compiles information regarding their taxonomy, distribution, and conservation status.
Scientific Classification
- Genus: Astragalus L. (milkvetch, astragales, locoweed)
- Species: Astragalus collinus (Hook.) Douglas ex G. Don (hillside milkvetch)
- Variety:
- Astragalus collinus var. collinus (hillside milkvetch)
- Astragalus collinus var. laurentii (Rydb.) Barneby (Laurent's milkvetch)
- Family: Fabaceae (Pea family)
Common Names
- Hillside Milkvetch
- Laurent's Milkvetch
- Idaho Milkvetch
- Idaho Milk-vetch
- Stiff Milkvetch
Distribution & Habitat
- Hillside Milkvetch is native.
- Laurent's Milkvetch is found in Oregon, specifically Grant County.
Conservation Status
- Laurent's Milkvetch is listed as threatened by the Oregon Department of Agriculture.
Related Species
- Astragalus diaphanus var. diurnus (South Fork John Day milkvetch)
- Astragalus peckii (Peck's milkvetch)
- Astragalus sterilis
- Astragalus robbinsii (Oakes) A. Gray var. fernaldii (Rydberg) Barneby (Fernald's milk-vetch)
- Astragalus curvicarpus (curvepod milkvetch)
Ecological Role
- SMA surveys were conducted to assess the presence and distribution of Laurent's Milkvetch.
Other Mentions
- The plant requires at least a few hours of direct sunlight daily.
Resources
- Dave's Garden Database
- Oregon Department of Agriculture