Red-purple flowers with light pink petals and a green stigma
cestrum-cultum
Cestrum cultum

Looks like Cestrum cultum which is not native to Colombia. There are at least 47 species native to Colombia. Photographed in Bogotá.

A cluster of purple-pink Cestrum cultum flowers with yellow stigmas
A cluster of purple-pink Cestrum cultum flowers
An inflorescence of Cestrum cultum pinkish red flowers
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