Astragalus zionis var. zionis

Endemic
Treatment appears in FNA Volume 11.
Revision as of 18:52, 12 March 2025 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Plants mat- or tuft-forming, usu­ally to 2.5 dm wide. Legumes 15–25(–28) × 5.5–9 mm.


Phenology: Flowering Apr–Jun.
Habitat: On sandstone, on sandy and gravelly soils in blackbrush, sagebrush, Ephedra, other mixed desert shrub, sometimes salt desert shrub, mountain brush, ponderosa pine, and riparian communities.
Elevation: 1300–2500 m.

Distribution

Ariz., Nev., N.Mex., Utah.

Discussion

The caudex of var. zionis is often slightly subterranean, being buried in duff or in sand, and the stipules are conspicuously white and white-pilose, mainly concealing the internodes.

Selected References

None.

Lower Taxa

None.
Stanley L. Welsh +
M. E. Jones +
Ariz. +, Nev. +, N.Mex. +  and Utah. +
1300–2500 m. +
On sandstone, on sandy and gravelly soils in blackbrush, sagebrush, Ephedra, other mixed desert shrub, sometimes salt desert shrub, mountain brush, ponderosa pine, and riparian communities. +
Flowering Apr–Jun. +
Proc. Calif. Acad. Sci., ser. +
Papilionoideae de +
Astragalus zionis var. zionis +
Astragalus zionis +
variety +