Album Caption: Astragalus pattersoni A. Gray. Family : Pea, Legurninosae. Subgenus: Jonesiella Flowers : Cream-colored irregular flowers with purple clot on keel, growing in tall clusters which extend beyond the foliage. Blooms in April and May. Leaves : Pinnate with numerous oval leaflets. Fruit : Fat pods mounted on short stem. Seeds rattle in pod when dry (then called rattleweed). Root : Very long taproot, commonly 30 feet or more in length. Plant : Perennial, 1-4 feet high. Garliclike odor common to foliage owing to presence of selenium. Published in U.S.Geological Survey Bulletin 1030-M, figure 76. 1957.
Summary
Album Caption:
Astragalus pattersoni A. Gray. Family : Pea, Legurninosae. Subgenus: Jonesiella Flowers : Cream-colored irregular flowers with purple clot on keel, growing in tall clusters which extend beyond the foliage. Blooms in April and May. Leaves : Pinnate with numerous oval leaflets. Fruit : Fat pods mounted on short stem. Seeds rattle in pod when dry (then called rattleweed). Root : Very long taproot, commonly 30 feet or more in length. Plant : Perennial, 1-4 feet high. Garliclike odor common to foliage owing to presence of selenium.
Published in U.S.Geological Survey Bulletin 1030-M, figure 76. 1957.
Image located in U.S. Geological Survey Photographic Library, Cannon, H.L. Collection album, Volume 1, no.18a.
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