Astragalus species

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Scientific Name Astragalus cicer USDA PLANTS Symbol
ASCI4
Common Name Chickpea Milkvetch, Cicer Milkvetch ITIS Taxonomic Serial No.
25464
Family Fabaceae (Pea) SEINet Reference Click Here
Description Life zones and habitat: Foothills to subalpine (5600 to 11000 ft). Open areas, pastures, shrublands, aspen woodlands. Introduced species from Europe; found in western and northern US.
Plant: Erect or leaning perennial, a foot or more high, upright when young and becoming decumbent and trailing.
Leaves: Pinnately-compound leaves 4 to 8 inches long, each with 10 to 13 pairs of deep green oblong leaflets 3/4 to 2 inches long, with pointed tips and somewhat hairy undersides.
Inflorescence: Clusters of 15 to 60 pale yellow to white pea-like flowers in a compact raceme; light green calyx is covered by short, light or dark hairs.
Bloom Period: June to August.
Fruit: Pods green or reddish, turning straw-colored to black, silvery hairs; ovoid to ellipsoid to linear-oblanceolate 3/8 to 1/2+ inch long.
Reference: www.americansouthwest.net, "Flora of Colorado" by Jennifer Ackerfield and USDA-NRCS Plant Guide.
BONAP Distribution Map
Colorado Status:
Introduced
Scientific Name Astragalus scopulorum USDA PLANTS Symbol
ASSC7
Common Name Rocky Mountain Milkvetch ITIS Taxonomic Serial No. 25670
Family Fabaceae (Pea) SEINet Reference Click Here
Description Life zones and habitat: Foothills to subalpine (6300 to 11000 ft). Sunny areas, dry slopes, among sagebrush, conifer woodlands and aspen groves.
Plant: Erect or leaning perennial, light-red stems 6 to 18 inches tall.
Leaves: Pinnately-compound leaves each with 15 to 29 green oval-oblong to linear-elliptic or oblanceolate leaflets with pointed tips, 1/4 to 3/4-inch long and somewhat hairy undersides.
Inflorescence: Raceme of 10 to 22 white to pale yellow pea-like flowers; light green calyx is covered by short, light or dark hairs.
Bloom Period: May to July.
Fruit: Green or greenish brown, purple-speckled, smooth pods linear-oblong to linear-oblanceolate 1 to 1-3/8 inches long.
Reference: Wildflowers of the Rocky Mountain Region, www.swcoloradowildflowers.com and "Flora of Colorado" by Jennifer Ackerfield.
BONAP Distribution Map
Colorado Status:
Native

© Tom Lebsack 2019