Several species from the genus Oxytropis are
known in North America by the Spanish-English
name locoweed, "crazy weed" (cf. Astragalus spp.),
and have toxic or psychotropic properties (Turner
and Szczawinski 1992, 122*). The Indians used
some species for medicinal purposes (Johnston
1970,314*). Several species were used as a ritual or
medicinal wash during sweathouse ceremonies
(Moerman 1986, 320 f.*). In Mexico, the species
Oxytropis lamberti Pursh. is called hierba loca, "crazy
herb" (Martinez 1987,427*; Reko 1938, 185*).

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