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Astragalus miser, the timber milkvetch, is a species of flowering plant in the family Fabaceae. A perennial, it is native to western North America, except California. One of the locoweeds toxic to livestock, it contains miserotoxin.
Subtaxa
The following varieties are accepted:
Astragalus miser var. crispatus (M.E.Jones) Cronquist – Idaho, Montana
Astragalus miser var. decumbens (Nutt.) Cronquist – Montana, Wyoming
Astragalus miser var. hylophilus (Rydb.) Barneby – Idaho, Montana, Wyoming, South Dakota
Astragalus miser var. miser – British Columbia, Washington, Oregon, Idaho, Montana
Astragalus miser var. oblongifolius (Rydb.) Cronquist – Idaho, Nevada, Utah, Arizona, Wyoming, Colorado, New Mexico
Astragalus miser var. praeteritus Barneby – Idaho, Montana, Wyoming
Astragalus miser var. serotinus (A.Gray ex E.Cooper) Barneby – Washington, Oregon, Idaho, Montana
Marcus, Joseph A. (27 June 2023). "Astragalus miser Douglas ex Hook". Plant Database. Lady Bird Johnson Wildflower Center. Retrieved 8 November 2023.
Stermitz, Frank R.; Norris, Frank A.; Williams, Miles Coburn (1969). "Miserotoxin, new naturally occurring nitro compound". Journal of the American Chemical Society. 91 (16): 4599–4600. Bibcode:1969JAChS..91.4599S. doi:10.1021/ja01044a078.
