What does "locoweed" mean?

Any of several plants indigenous to the western United States, of genus Oxytropis or Astragalus.

What is a synonym for "locoweed"?

Common synonyms include: crazy weed, crazyweed, dope, gage, grass, green goddess.

noun

noun ·Rare ·Advanced level

Noun

1
Any of several plants indigenous to the western United States, of genus Oxytropis or Astragalus. countable, uncountable
2
street names for marijuana wordnet
3
any of several leguminous plants of western North America causing locoism in livestock wordnet

From Spanish loco (“mad, insane”) + weed.