Spinacia oleracea vs prickly-seeded spinach

Spinacia oleracea and prickly-seeded spinach both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spinacia oleracea	Yes	No	No	No
prickly-seeded spinach	Yes	No	No	No

As nouns, Spinacia oleracea and prickly-seeded spinach are synonyms defined as:

Spinacia oleracea and prickly-seeded spinach: southwestern Asian plant widely cultivated for its succulent edible dark green leaves

Other synonyms of Spinacia oleracea include spinach, spinach plant.

Spinacia oleracea (noun)	prickly-seeded spinach (noun)
southwestern Asian plant widely cultivated for its succulent edible dark green leaves	southwestern Asian plant widely cultivated for its succulent edible dark green leaves