Amsinckia grandiflora vs large-flowered fiddleneck

Amsinckia grandiflora and large-flowered fiddleneck both are nouns.

Word	Noun	Adjective	Verb	Adverb
Amsinckia grandiflora	Yes	No	No	No
large-flowered fiddleneck	Yes	No	No	No

As nouns, Amsinckia grandiflora and large-flowered fiddleneck are synonyms defined as:

Amsinckia grandiflora and large-flowered fiddleneck: annual of the western United States having large coiled flower spikes; a threatened species

Amsinckia grandiflora (noun)	large-flowered fiddleneck (noun)
annual of the western United States having large coiled flower spikes; a threatened species	annual of the western United States having large coiled flower spikes; a threatened species