Nepsera aquatica (Altea)
Botanical name: Nepsera aquatica
Common names: Altea, Altea Amarilla
Family: Melastomataceae
Origin: Central America, Southern America
Indigenous common herb of semi-open wet areas, especially by forest paths.
Link to this plant:
https://toptropicals.com/catalog/uid/nepsera_aquatica.htm