Medicago intertexta vs Medicago echinus

Medicago intertexta and Medicago echinus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Medicago intertexta	Yes	No	No	No
Medicago echinus	Yes	No	No	No

As nouns, Medicago intertexta and Medicago echinus are synonyms defined as:

Medicago intertexta and Medicago echinus: an annual of the Mediterranean area having spiny seed pods and leaves with dark spots

Other synonyms of Medicago intertexta include Calvary clover.

Medicago intertexta (noun)	Medicago echinus (noun)
an annual of the Mediterranean area having spiny seed pods and leaves with dark spots	an annual of the Mediterranean area having spiny seed pods and leaves with dark spots