Astragalus preussii (common name - Preuss’ milkvetch) is an annual or perennial plant in the legume family (Fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.[1]
It is an annual or perennial plant from 4inchesto15inchesin (toin) tall, growing upright from a woody base.[1]
It has compound pinnate leaves from NaNinchesto15inchesin (toin) long, with 7-25 NaNinches, elliptic leaflets.[1]
It blooms from March to June.[1] The inflorescence has 3-22 flowers per stalk, with a small, green, 5-lobed calyx around a tubular set of white to pink to purple petals, NaNinches long.[1] When dried, NaNinches seed pods are papery or leathery, elliptical, and are either smooth or covered with soft hairs.[1]
It only grows in soils containing Selenium.[1]
It is named after Charles Preuss.[1]