|Scientific Name||Astragalus kentrophyta||USDA PLANTS Symbol||ASKE|
|Common Name||Spiny Milkvetch||ITIS Taxonomic Serial No.||25553|
Life zones and habitat: Plains to subalpine (4000 to 10800 ft.); sandy or rocky soils in open areas.
Plant: Low-growing perennial with prostrate stems a few inches high forming mats up to 16 inches across.
Leaves: Odd pinnately-compound leaves, 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 dolabriform (axe-shaped) hairs.
Inflorescence: Short racemes in the leaf axils, each with 1 to 3 small pea-like flowers barely rising above the leaflets; white to yellowish-white or pink-purplish corolla and banner 1/4 to 1/2-inch long; calyx ~1/4-inch long and pubescent-hairy.
Bloom Period: May to August.
Fruit: Small compressed-ovoid pods less than 1/3-inch long, green, becoming straw colored.
Reference: "Flora of Colorado" by Jennifer Ackerfield, American Southwest, Montana Field Guide and SEINet.
|BONAP Distribution Map
Map Color Key
© Tom Lebsack 2023
Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County