Astragalus racemosus explained

Astragalus racemosus, the cream milkvetch, is a species of flowering plant in the family Fabaceae.^[1] It is native to central North America.^[2] A selenium hyperaccumulator, it is considered capable of poisoning livestock as one of the locoweeds.^{[3] [4]}

Subtaxa

The following varieties are accepted:^[2]

• Astragalus racemosus var. longisetus – Colorado, Idaho, Montana, Nebraska, New Mexico, South Dakota, Wyoming, Québec
• Astragalus racemosus var. racemosus – Saskatchewan, Colorado, Kansas, Minnesota, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas, Wyoming, Mexico Northeast
• Astragalus racemosus var. treleasei – Colorado, Utah, Wyoming

Notes and References

1. Web site: Astragalus racemosus . . 13 August 2013 . Plant Database . Lady Bird Johnson Wildflower Center . 19 January 2022 .
2. 479468-1 . Astragalus racemosus Pursh . 19 January 2022 .
3. Inoculation of Astragalus racemosus and Astragalus convallarius with selenium-hyperaccumulator rhizosphere fungi affects growth and selenium accumulation . 2013 . Lindblom . Stormy Dawn . Fakra . Sirine C. . Landon . Jessica . Schulz . Paige . Tracy . Benjamin . Pilon-Smits . Elizabeth A. H. . Planta . 237 . 3 . 717–729 . 10.1007/s00425-012-1789-5 . 23117393 . 15677486 .
4. Toxicology of selenium: A review . 1980 . Wilber . Charles G. . Clinical Toxicology . 17 . 2 . 171–230 . 10.3109/15563658008985076 . 6998645 .