Eucalytus stellulata vs black mallee

Eucalytus stellulata and black mallee both are nouns.

Word	Noun	Adjective	Verb	Adverb
Eucalytus stellulata	Yes	No	No	No
black mallee	Yes	No	No	No

As nouns, Eucalytus stellulata and black mallee are synonyms defined as:

Eucalytus stellulata and black mallee: a small mallee with rough dark-colored bark toward the butt; yields a red eucalyptus kino gum

Other synonyms of Eucalytus stellulata include black gum, black sally.

Eucalytus stellulata (noun)	black mallee (noun)
a small mallee with rough dark-colored bark toward the butt; yields a red eucalyptus kino gum	a small mallee with rough dark-colored bark toward the butt; yields a red eucalyptus kino gum