Foeniculum vulgare dulce vs Foeniculum dulce

Foeniculum vulgare dulce and Foeniculum dulce both are nouns.

Word	Noun	Adjective	Verb	Adverb
Foeniculum vulgare dulce	Yes	No	No	No
Foeniculum dulce	Yes	No	No	No

As nouns, Foeniculum vulgare dulce and Foeniculum dulce are synonyms defined as:

Foeniculum vulgare dulce and Foeniculum dulce: grown especially for its edible aromatic bulbous stem base

Other synonyms of Foeniculum vulgare dulce include Florence fennel.

Foeniculum vulgare dulce (noun)	Foeniculum dulce (noun)
grown especially for its edible aromatic bulbous stem base	grown especially for its edible aromatic bulbous stem base