Botanical name: Cestrum pseudoquina
Common name: Quina de Matto
Family: Solanaceae
Origin: Brazil
Cultivated there and in India as a medicinal plant.
The leaf drug may be an effective febrifuge.
Similar plants: Cestrum pseudoquina (Quina de Matto)
Link to this plant:
https://toptropicals.com/catalog/uid/cestrum_pseudoquina.htm