Astragalus flavus (yellow milkvetch) is a perennial plant in the legume family (Fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.Canyon Country Wildflowers, Damian Fagan, 2nd ed., 2012, Morris Bush Publishing, LLC. in cooperation with Canyonlands Natural History Association,
Growth pattern It is an erect or curving perennial from tall. The plant is covered with star-shaped hairs.
Patches of the plants in bloom may cover large areas of the ground in yellow from the flowers.
Stems and leaves leaves are compound pinnate, with linear to egg shaped leaflets.
Inflorescence and fruit The inflorescence is born on a stalk with 6-30 flowers having a hairy calyx tube and yellow bell-shaped corolla long. "Flavus" means "yellow", even though most of its flowers are white. It blooms from May to June.
Habitat and range It grows in saline soil (halophyte) in salt desert shrub between about in elevation.
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