royal velvet plant vs velvet plant

royal velvet plant and velvet plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
royal velvet plant	Yes	No	No	No
velvet plant	Yes	No	No	No

As nouns, royal velvet plant and velvet plant are synonyms defined as:

royal velvet plant and velvet plant: Javanese foliage plant grown for their handsome velvety leaves with violet-purple hairs

Other synonyms of royal velvet plant include Gynura aurantiaca, purple velvet plant.

royal velvet plant (noun)	velvet plant (noun)
Javanese foliage plant grown for their handsome velvety leaves with violet-purple hairs	Javanese foliage plant grown for their handsome velvety leaves with violet-purple hairs
	any of various plants of the genus Verbascum having large usually woolly leaves and terminal spikes of yellow or white or purplish flowers