|Scientific Name||Astragalus miser var. oblongifolius||USDA PLANTS Symbol||ASMIO|
|Common Name||Timber Milkvetch||ITIS Taxonomic Serial No.||192623|
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
© Tom Lebsack 2022
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County