common laburnum vs Laburnum anagyroides

common laburnum and Laburnum anagyroides both are nouns.

Word	Noun	Adjective	Verb	Adverb
common laburnum	Yes	No	No	No
Laburnum anagyroides	Yes	No	No	No

As nouns, common laburnum and Laburnum anagyroides are synonyms defined as:

common laburnum and Laburnum anagyroides: an ornamental shrub or tree of the genus Laburnum; often cultivated for Easter decorations

Other synonyms of common laburnum include golden chain, golden rain.

common laburnum (noun)	Laburnum anagyroides (noun)
an ornamental shrub or tree of the genus Laburnum; often cultivated for Easter decorations	an ornamental shrub or tree of the genus Laburnum; often cultivated for Easter decorations