Confederate jasmine and allamanda are good examples.
From the heraldtribune.com
Allamanda is not winter-hardy in our region, and in most of the country it is treated as an annual and replanted every year.
From the washingtonpost.com
Where heat, humidity and sunlight create a more tropical atmosphere, choose from such beauties as bougainvillea, abutilon and allamanda.
From the news-journalonline.com
More examples
A plant of the genus Allamanda having large showy funnel-shaped flowers in terminal cymes
Allamanda, also known as Yellow Bell, Golden Trumpet or Buttercup Flower, is a genus of tropical shrubs or vines belonging to the dogbane family (Apocynaceae).