Astragalus preussii


Astragalus preussii is an annual or perennial plant in the legume family found in the Colorado Plateau and Canyonlands region of the southwestern United States.

Description

Growth pattern

It is an annual or perennial plant from tall, growing upright from a woody base.

Leaves and stems

It has compound pinnate leaves from long, with 7-25, elliptic leaflets.

Inflorescence and fruit

It blooms from March to June. 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, long.
When dried, seed pods are papery or leathery, elliptical, and are either smooth or covered with soft hairs.

Habitat and range

It only grows in soils containing Selenium.

Ecological and human interactions

It is named after Charles Preuss.