loco weed


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loco weed

[′lō·kō ‚wēd]
(botany)
Any species of Astragalus containing selenium taken up from the soil.
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References in periodicals archive ?
Tidestr., Woolly loco weed, Texas loco weed, Purple loco weed (RR).
This plant behaves very much like Jimsonweed, which is also known as "loco weed" because of the effect it has on cattle, who accidentally ingest it.
It is reported that the Mexican Marihuano or loco weed (astragalus hornu [sic]) is being feared and fought by the California Board of Pharmacy as an enemy no less dreadful than opium or cocaine.