Astragalus flexuosus

(Flexible Milkvetch)

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Astragalus flexuosus, Pawnee Buttes, Weld Co. 7535

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Astragalus flexuosus, Pawnee Buttes, Weld Co. 7541

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Astragalus flexuosus, Pawnee Buttes, Weld Co. 7554

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Astragalus flexuosus, Pawnee Buttes, Weld Co. 7536

Scientific Name Astragalus flexuosus USDA PLANTS Symbol ASFL2
Common Name Flexible Milkvetch ITIS Taxonomic Serial No. 25517
Family Fabaceae (Pea) SEINet
Reference
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Description Life zones and habitat: Plains to montane (5500 to 10300 ft.); drier soils in meadows, and other open areas.
Plant: Sprawling perennial less than 2 ft. tall with a tangled, vine-like appearance; several to many stems tending to recline with up-turned tips; herbage moderately hairy (finely strigose).
Leaves: Odd-pinnately-compound leaves 2 to 3 inches long with each blade divided into 11 to 25 linear to oblong-lanceolate leaflets, 1/8 to 3/4-inch long; tips bluntly-rounded or with a small notch.
Inflorescence: Loose racemes arising from the leaf axils on peduncles 1 to 2-3/8 inches long with 10 to 30 pea-like blossoms; corollas are whitish to pale purple, 3/8 to 5/8 inch long on a very short stalk; the calyx tube has fine hairs and is less than 1/4-inch long with pointed lobes
Bloom Period: May to August.
References: "Flora of Colorado" by Jennifer Ackerfield, Minnesota Wildflowers and Minnesota Dept. of Natural Resources.
BONAP Distribution Map

Colorado Status:
Native

© Tom Lebsack 2022

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