hoary puccoon vs Lithospermum canescens

hoary puccoon and Lithospermum canescens both are nouns.

Word	Noun	Adjective	Verb	Adverb
hoary puccoon	Yes	No	No	No
Lithospermum canescens	Yes	No	No	No

As nouns, hoary puccoon and Lithospermum canescens are synonyms defined as:

hoary puccoon and Lithospermum canescens: perennial North American plant with greyish hairy foliage yielding a red or yellow pigment

Other synonyms of hoary puccoon include Indian paint.

hoary puccoon (noun)	Lithospermum canescens (noun)
perennial North American plant with greyish hairy foliage yielding a red or yellow pigment	perennial North American plant with greyish hairy foliage yielding a red or yellow pigment