Another shot from Longwood Gardens today. The color of these flowers
caught my eye. Wikipedia says;

Allamanda, also known as Yellow Bell, Golden Trumpet or Buttercup
Flower, is a genus of tropical shrubs or vines belonging to the
dogbane family... The genus Alamanda is native to South and Central
America... In the wild, Allamanda grow along riverbanks and other
open, sunny areas with adequate rainfall and perpetually moist
substrate. The plants do not tolerate shade, salty or alkaline soils;
they are highly sensitive to frost.

JD