Pisum sativum arvense vs Pisum arvense

Pisum sativum arvense and Pisum arvense both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pisum sativum arvense	Yes	No	No	No
Pisum arvense	Yes	No	No	No

As nouns, Pisum sativum arvense and Pisum arvense are synonyms defined as:

Pisum sativum arvense and Pisum arvense: variety of pea plant native to the Mediterranean region and North Africa and widely grown especially for forage

Other synonyms of Pisum sativum arvense include Austrian winter pea, field-pea plant, field pea.

Pisum sativum arvense (noun)	Pisum arvense (noun)
variety of pea plant native to the Mediterranean region and North Africa and widely grown especially for forage	variety of pea plant native to the Mediterranean region and North Africa and widely grown especially for forage