Allamanda Creeper, Pentalinon luteum (Yellow) - Plants
Allamanda is a genus of flowering plants in the dogbane family, Apocynaceae. They contain a white latex.
As shrub Allamanda grows very thick and gets covered with yellow bell-shaped 3 to 4 inches long blooms in growing season. Although it does not have tendrils to climb but provided support can grow as vine too.