Astragalus pattersonii
(Patterson Milkvetch)
Astragalus pattersonii, Dotsero, Eagle Co. 0038
Astragalus pattersonii, Dotsero, Eagle Co. 0021
Astragalus pattersonii, Dotsero, Eagle Co. 0028
Astragalus pattersonii, Dotsero, Eagle Co. 0030
Astragalus pattersonii, Dotsero, Eagle Co. 0044
| Scientific Name | Astragalus pattersonii | USDA PLANTS Symbol | ASPA14 |
| Common Name | Patterson Milkvetch | ITIS Taxonomic Serial No. | 25625 |
| Family | Fabaceae (Pea) | SEINet Reference |
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| Description |
Life zones and habitat: Semi-desert to foothills (5000 to 8500 ft); dry clay or shaley soils on hillsides, flats. Plant: Erect clump-forming perennial, 9 to 28 inches high; arching red stems. Leaves: Pinnately-compound leaves with up to 13 pairs of deep green elliptic to oblong leaflets 0.2 to 1.2 inches long, with pointed tips and smooth upper surfaces, somewhat hairy beneath. Inflorescence: Clusters of white pea-like flowers in a compact raceme; calyx tubes with conspicuous fringe-like lobes and tiny black hairs; blossoms becoming yellowish with age. Bloom Period: May to July. Fruit: Smooth, green or brownish pods, ellipsoid shape 5/8 to 1 inch long, pointed tips. Reference: "Flora of Colorado" by Jennifer Ackerfield and SW Colorado Wildflowers. |
BONAP Distribution Map
Map Color Key |
Colorado Status: Native |
© Tom Lebsack 2024
Banner photo: Castilleja rhexifolia and a brewing storm over the San Juan Mountains