Desmodium tortuosum vs Desmodium purpureum

Desmodium tortuosum and Desmodium purpureum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Desmodium tortuosum	Yes	No	No	No
Desmodium purpureum	Yes	No	No	No

As nouns, Desmodium tortuosum and Desmodium purpureum are synonyms defined as:

Desmodium tortuosum and Desmodium purpureum: West Indian forage plant cultivated in southern United States as forage and to improve soil

Other synonyms of Desmodium tortuosum include beggarweed.

Desmodium tortuosum (noun)	Desmodium purpureum (noun)
West Indian forage plant cultivated in southern United States as forage and to improve soil	West Indian forage plant cultivated in southern United States as forage and to improve soil