Astragalus miser var. oblongifolius
(Timber Milkvetch)
| Scientific Name | Astragalus miser var. oblongifolius | USDA PLANTS Symbol | ASMIO |
| Common Name | Timber Milkvetch | ITIS Taxonomic Serial No. | 192623 |
| Family | Fabaceae (Pea) | SEINet Reference |
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| Description |
Life zones and habitat: Plains to subalpine (5200 to 11300 ft.); dry or moist soils in mountain meadows and forests. Plant: Low-growing perennial, variable in stature, with stems 1 to 8 inches long, thinly to rather densely covererd with very short hairs. Leaves: Odd pinnately-compound 2 to 8 inches long with 11 to 19 linear, linear-elliptic leaflets 0.2 to 1.2 inches long; upper surfaces mostly smooth, lower thinly to rather densely covererd with very short hairs. Odd pinnately-compound leaves up to 1-inch long, each with 3 to 7 spine-tipped linear-elliptic or linear-oblanceolate leaflets up to 2/3-inch long; surfaces flat or curled inward with appressed or dolobriform hairs. Inflorescence: Racemes 0.6 to 4 inches long (in fruit) with 3 to 15 pea-like flowers; calyx about 0.2 inches long; petals whitish sometimes slightly purplish and with purple veins; banner about 0.4-inch tall. Bloom Period: May to August. Fruit: Small oblanceolate pods, 0.6 to 1 inch long, covered with very short appressed hairs; sometimes purple-dotted. References: "Flora of Colorado" by Jennifer Ackerfield and Worldwide Flora Online (2022): Astragalus miser var. oblongifolius (Rydb.) Cronquist. |
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