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Idaho milkvetch
Scientific Name: Astragalus conjunctus var. rickardii
Family: Fabaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Astragalus conjunctus
Also known as Idaho milkvetch, Astragalus conjunctus is a plant of interest due to its rarity and limited distribution.
Taxonomy and Nomenclature:
- Scientific Name: Astragalus conjunctus S. Watson
- Common Name: Idaho milkvetch, stiff milkvetch
- Family: Fabaceae (mentioned in context of Astragalus ceramicus var. ceramicus)
- Variety: Astragalus conjunctus var. conjunctus S. Watson
- Variety: Astragalus conjunctus var. rickardii S.L. Welsh, K.A. Beck & F. Caplow
Distribution and Habitat:
- Primarily found in Idaho.
- Specifically mentioned locations include slopes along OR Highway 219 east of the Deschutes, Payette County, Idaho.
Ecological Role:
- Several other milkvetch species exist in Idaho, including some that are considered rare or endangered, highlighting the diverse ecological roles this genus plays in the region.
Related Species:
- Astragalus leptaleus (park milkvetch)
- Astragalus vexilliflexus var. vexilliflexus (bent-flowered milkvetch)
- Astragalus cusickii var. packardiae (Packard's milkvetch)
- Astragalus mulfordiae (Mulford's milkvetch)
- Astragalus agrestis S. Watson (field, or purple, milk-vetch)
- Astragalus cicer (chickpea milkvetch)
- Astragalus terminalus
- Astragalus columbianus (Columbia milk-vetch)
- Astragalus diversifolius (Meadow milkvetch)
- Astragalus ceramicus var. ceramicus
Further Information:
- Idaho Conservation Data Center
- Discover Life: Discover Life's page about Astragalus conjunctus
- Idaho Native Plant Society (Sage Notes publication)