Downward tilted trumpet shape Allamanda cathartica yellow flower in sunlight
Allamanda cathartica

A vine native to Colombia with a habitat below 6,300 feet. Photographed in Barranquilla and the Valley of Cauca.

Two yellow Allamanda cathartica flowers in dabbled shade
Yellow trumpet-shaped flower and orange-red flower bud and rounded fruit capsule covered with purple green spines