waxmallow vs sleeping hibiscus

waxmallow and sleeping hibiscus both are nouns.

Word	Noun	Adjective	Verb	Adverb
waxmallow	Yes	No	No	No
sleeping hibiscus	Yes	No	No	No

As nouns, waxmallow and sleeping hibiscus are synonyms defined as:

waxmallow 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 waxmallow include wax mallow.

waxmallow (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