Assertion: rose mallow's flower | /r/HasProperty | hibiscus trionum
Facets:
Source sentences:
text: Flower-of-an-hour (Hibiscus trionum) is also an Australian native.
text: Flower of an Hour is also known as Hibiscus trionum.
text: Annual Hibiscus A commonly grown hibiscus annual is the flower of an hour (Hibiscus trionum).