wax mallow vs sleeping hibiscus

wax mallow and sleeping hibiscus both are nouns.

Word	Noun	Adjective	Verb	Adverb
wax mallow	Yes	No	No	No
sleeping hibiscus	Yes	No	No	No

As nouns, wax mallow and sleeping hibiscus are synonyms defined as:

wax mallow and sleeping hibiscus: any of various plants of the genus Malvaviscus having brilliant bell-shaped drooping flowers like incompletely opened hibiscus flowers

Other synonyms of wax mallow include waxmallow.

wax mallow (noun)	sleeping hibiscus (noun)
any of various plants of the genus Malvaviscus having brilliant bell-shaped drooping flowers like incompletely opened hibiscus flowers	any of various plants of the genus Malvaviscus having brilliant bell-shaped drooping flowers like incompletely opened hibiscus flowers