Flora of North America species comparison

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Astragalus zionis var. zionis
Photo is of parent taxon

Zion milkvetch
Habit Plants mat- or tuft-forming, usually to 2.5 dm wide.
Legumes

15–25(–28) × 5.5–9 mm.

Astragalus zionis var. zionis
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. (4300–8200 ft.)
Distribution
from FNA
AZ; NM; NV; UT
[BONAP county map]
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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus > sect. Argophylli > Astragalus zionis
Sibling taxa
A. zionis var. vigulus
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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