smooth darling pea vs Swainsona galegifolia

smooth darling pea and Swainsona galegifolia both are nouns.

Word	Noun	Adjective	Verb	Adverb
smooth darling pea	Yes	No	No	No
Swainsona galegifolia	Yes	No	No	No

As nouns, smooth darling pea and Swainsona galegifolia are synonyms defined as:

smooth darling pea and Swainsona galegifolia: erect or trailing perennial of eastern Australia having axillary racemes of blue to purple or red flowers

smooth darling pea (noun)	Swainsona galegifolia (noun)
erect or trailing perennial of eastern Australia having axillary racemes of blue to purple or red flowers	erect or trailing perennial of eastern Australia having axillary racemes of blue to purple or red flowers