purple locoweed vs Oxytropis lambertii

purple locoweed and Oxytropis lambertii both are nouns.

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

As nouns, purple locoweed and Oxytropis lambertii are synonyms defined as:

purple locoweed and Oxytropis lambertii: tufted locoweed of southwestern United States having purple or pink to white flowers

Other synonyms of purple locoweed include purple loco.

purple locoweed (noun)	Oxytropis lambertii (noun)
tufted locoweed of southwestern United States having purple or pink to white flowers	tufted locoweed of southwestern United States having purple or pink to white flowers