helianthemum vs sunrose

helianthemum and sunrose both are nouns.

Word	Noun	Adjective	Verb	Adverb
helianthemum	Yes	No	No	No
sunrose	Yes	No	No	No

As nouns, helianthemum and sunrose are synonyms defined as:

helianthemum and sunrose: any plant of the genus Helianthemum; vigorous plants of stony alpine meadows and dry scrub regions

Other synonyms of helianthemum include sun rose.

helianthemum (noun)	sunrose (noun)
any plant of the genus Helianthemum; vigorous plants of stony alpine meadows and dry scrub regions	any plant of the genus Helianthemum; vigorous plants of stony alpine meadows and dry scrub regions