Wyoming Rare Plant Field Guide
Astragalus jejunus var. articulatus
- Similar Species: A. jejunus var. jejunus has purplish flowers, shorter stems and terminal leaflets continuous with the leafstalk. A. ceramicus has fewer leaflets and larger fruit. A. kentrophyta has sharp, spiny-tipped leaflets. A. miser var. decumbens has greenish-yellow, narrowly elongate pods and flowers with a sharp-tipped keel petal.
- Flowering/Fruiting Period: May-June/June-July.
- Distribution: Endemic to the eastern Bighorn Basin near Hyattville, Wyoming (Big Horn Co.).
- Habitat: Sparsely-vegetated stony ridges and barren red clay slopes. 4900-5900 ft.
- References: Dorn 1988, 1989 a.
