Exostema nitens (Cafetillo)
Botanical names: Exostema nitens, Exostema coriaceum
Common names: Cafetillo, Shining Exostema
Family: Rubiaceae
Origin: Caribbean
Medium to large size shrub, closely related to coffee, with glossy dark green leaves and fragrant
flowers 1-2" across.
Link to this plant:
https://toptropicals.com/catalog/uid/exostema_nitens.htm