Eryngium maritimum vs sea eryngium

Eryngium maritimum and sea eryngium both are nouns.

Word	Noun	Adjective	Verb	Adverb
Eryngium maritimum	Yes	No	No	No
sea eryngium	Yes	No	No	No

As nouns, Eryngium maritimum and sea eryngium are synonyms defined as:

Eryngium maritimum and sea eryngium: European evergreen eryngo with twisted spiny leaves naturalized on United States east coast; roots formerly used as an aphrodisiac

Other synonyms of Eryngium maritimum include sea holly, sea holm.

Eryngium maritimum (noun)	sea eryngium (noun)
European evergreen eryngo with twisted spiny leaves naturalized on United States east coast; roots formerly used as an aphrodisiac	European evergreen eryngo with twisted spiny leaves naturalized on United States east coast; roots formerly used as an aphrodisiac