Oxytropis lambertii vs locoweed

Oxytropis lambertii and locoweed both are nouns.

Word	Noun	Adjective	Verb	Adverb
Oxytropis lambertii	Yes	No	No	No
locoweed	Yes	No	No	No

As nouns, locoweed is a hypernym of Oxytropis lambertii; that is, locoweed is a word with a broader meaning than Oxytropis lambertii:

Oxytropis lambertii: tufted locoweed of southwestern United States having purple or pink to white flowers
locoweed: any of several leguminous plants of western North America causing locoism in livestock

Other hypernyms of Oxytropis lambertii include crazy weed, crazyweed.

Oxytropis lambertii (noun)	locoweed (noun)
tufted locoweed of southwestern United States having purple or pink to white flowers	street names for marijuana
	any of several leguminous plants of western North America causing locoism in livestock