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Photo by Ava Brinkley; Ava Brinkley; Ava Brinkley; Ava Brinkley
Ava Brinkley 2022 iNaturalist observation; Ava Brinkley 2022 iNaturalist observation; Ava Brinkley 2022 iNaturalist observation; Ava Brinkley 2022 iNaturalist observation
Stage Station Milkvetch
Astragalus vehiculus
NatureServe conservation status
Global (G-rank): G1
State (S-rank): S1
External links
Phenology
This species blooms in mid spring, between April and May.
Diagnostic characteristics
Astragalus sabulosus var. vehiculus resembles both Astragalus sabulosus var. sabulosus and Astragalus iselyi in its form, pubescence, foliage and differs only in its flower size and color. A. sabulosus var. vehiculus produces pink-tinged to whitish flowers measuring 23-27 mm long, A. sabulosus var. sabulosus produces cream-colored flowers measuring 27-34 mm long. , and A. iselyi produces immaculate white flowers measuring 17-19 mm long. A. sabulosus varieties and A. iselyi are similar in form, have distinct red stems and produce downward hanging mature fruits.
Species range
A Navajo Basin endemic, restricted to a small area near Courthouse Wash, Grand County, Utah.
Threats or limiting factors
Threats include impacts from grazing, recreational use, drought, road and utility line maintainence.
