Astragalus alpinus var. alpinus

(Alpine Milkvetch)

_DSC1056%20copy

Astragalus alpinus var. alpinus, Hoosier Pass, Park, Co. 1377/1390

_DSC1056%20copy

Astragalus alpinus var. alpinus, Frisco Peninsula, Summit Co. 1859/1878

_DSC1056%20copy

Astragalus alpinus var. alpinus, Lower McCullough Gulch, Summit Co. 2531

_DSC1056%20copy

Astragalus alpinus var. alpinus, Hoosier Pass, Park Co. 8927

_DSC1056%20copy

Astragalus alpinus var. alpinus, Hoosier Pass, Summit Co. 5707

_DSC1056%20copy

Astragalus alpinus var. alpinus, Hoosier Pass, Park Co. 8805

_DSC1056%20copy

Astragalus alpinus var. alpinus, Hoosier Pass, Park Co. 8819

Scientific Name Astragalus alpinus var. alpinus USDA PLANTS Symbol ASALA4
Common Name Alpine Milkvetch ITIS Taxonomic Serial No. 192322
Family Fabaceae (Pea) SEINet
Reference
Click Here
Description Life zones and habitat: Montane to alpine (7500 to 12700 ft.); often in moist areas (woodlands, meadows, around streams and lakes), aspen groves and on tundra, cold, dry, exposed areas.
Plant: Mat-forming perennial with weak, slender, hairy stems, very short or up to 10 inches long.
Leaves: Pinnately-compound basal leaves 2 to 8 inches long; 15-25 leaflets, less than 1/4 to 3/4-inch long, oval-ovate to nearly round, slightly hairy surfaces.
Inflorescence: Small racemes on peduncles 3/4 to 1-1/2 inches long, with 7 to 17 nodding pea-like flowers with white to purplish petals; each blossom less than 1/2-inch long; calyx tube with small black hairs.
Bloom Period: June to August.
References: "Guide to Colorado Wildflowers" by G.K. Guennel, "Flora of Colorado" by Jennifer Ackerfield and SEINet.
BONAP Distribution Map
Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County