Heritiera littoralis vs looking-glass plant

Heritiera littoralis and looking-glass plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
Heritiera littoralis	Yes	No	No	No
looking-glass plant	Yes	No	No	No

As nouns, Heritiera littoralis and looking-glass plant are synonyms defined as:

Heritiera littoralis and looking-glass plant: small tree of coastal regions of Old World tropics whose leaves are silvery beneath

Heritiera littoralis (noun)	looking-glass plant (noun)
small tree of coastal regions of Old World tropics whose leaves are silvery beneath	small tree of coastal regions of Old World tropics whose leaves are silvery beneath