Botanical names: Thespesia grandiflora, Montezuma speciocissima
Common name: Maga
Family: Malvaceae
Origin: Puerto Rico
This giant hibiscus is endemic to the humid forests of Puerto Rico.
Thespesia grandiflora is the official national flower of Puerto Rico.
Similar plants: Thespesia grandiflora (Maga)
Link to this plant:
https://toptropicals.com/catalog/uid/thespesia_grandiflora.htm