''Astragalus racemosus'', the cream milkvetch, is a species of flowering plant in the family

Fabaceae The Fabaceae or Leguminosae,International Code of Nomenc ...

. It is native to central North America. A

selenium Selenium is a chemical element with the symbol Se and atomic number 34. It is a nonmetal (more rarely considered a metalloid) with properties that are intermediate between the elements above and below in the periodic table, sulfur and tellurium, ...

hyperaccumulator A hyperaccumulator is a plant capable of growing in soil or water with very high concentrations of metals, absorbing these metals through their roots, and concentrating extremely high levels of metals in their tissues. The metals are concentrated a ...

, it is considered capable of poisoning livestock as one of the

locoweed Locoweed (also crazyweed and loco) is a common name in North America for any plant that produces swainsonine, a phytotoxin harmful to livestock. Worldwide, swainsonine is produced by a small number of species, most of them in three genera of the ...

Subtaxa

The following varieties are accepted: *''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

References

racemosus Flora of Saskatchewan Flora of Quebec Flora of Idaho Flora of Montana Flora of Wyoming Flora of Colorado Flora of North Dakota Flora of South Dakota Flora of Nebraska Flora of Kansas Flora of Oklahoma Flora of Minnesota Flora of Utah Flora of the South-Central United States Flora of Northeastern Mexico Plants described in 1813 Flora without expected TNC conservation status {{Astragalus-stub