Astragalus hallii
(Hall's Milkvetch)
Astragalus hallii, Frisco Peninsula, Summit Co. 4590
Astragalus hallii, Frisco Peninsula, Summit Co. 4595
Astragalus hallii, Lake Dillon, Summit Co. 5611
Astragalus hallii, Lake Dillon, Summit Co. 5598
Astragalus hallii, Frisco Peninsula, Summit Co. 4597
| Scientific Name | Astragalus hallii | USDA PLANTS Symbol | ASHA2 |
| Common Name | Hall's Milkvetch | ITIS Taxonomic Serial No. | 25531 |
| Family | Fabaceae (Pea) | SEINet Reference |
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| Description |
Life zones and habitat: Foothills to subalpine (7200 to 10800 ft.); dry, rocky slopes, woodlands, and meadows.
Plant: Ascending or creeping perennial with numerous slender stems up to 2 feet long. Leaves: Pinnately-compound leaves up to 4 inches long, each with 11 or more small elliptic-oblong or oblanceolate leaflets less than 1/4 to about 1/2-inch long with rounded tips; blades folded nearly in half. Inflorescence: Small racemes of 10 or more purple-to-lavender/white pea-like flowers; calyx tube reddish to purple with grey or black hairs. Bloom Period: June to August. References: American Southwest and "Flora of Colorado" by Jennifer Ackerfield. |
BONAP Distribution Map
Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County