Rimrock Milkvetch Plant Information

Rimrock Milkvetch grows in the following 4 states:

Arizona, Colorado, New Mexico, Utah

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Information about Rimrock Milkvetch:

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More information about Rimrock Milkvetch may be found here, or from the US Department of Agriculture.

Astragalus desperatus (common name - rimrock milkweed) is a perennial plant in the legume family (Fabaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.:120

It is a low growing perennial plant growing from 12 to 4 12 inches (1.3 to 11.4 cm) tall.:120
Compound pinnate leaves are from 12 to 4 12 inches (1.3 to 11.4 cm) long, with 7-17 elliptical to inversely lanceolate leaflets.:120
It blooms from March to August.:120 The inflorescence are from stalk to 5 inches (13 cm) tall, with multiple flowers on short stems from the stalk.:120 Each ink to purple flower has a calyx tube that is bell-shaped and up to 12 inch (1.3 cm) long, and petals to 14 inch (0.64 cm) long.:120 Seed pods are up to 34 inch (1.9 cm) long, elliptical or curved, and covered with stiff hairs.:120
It grows only on the Colorado Plateau (endemic) in mixed desert shrub and pinyon juniper forest communities.:120

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