Try petunias, they come in may colors yellow, purple, pink red etc.
The Gentian has all the features of this question.
An achimenes is a Central American plant of the genus Achimenes, with trumpet-shaped flowers.
Bindweed
Angel's Trumpet is one of the plants with drooping white bell shaped flowers. Lily of the Valley is another plant with white drooping bell shaped flowers.
A plant with large trumpet-shaped flowers and prickly fruits. It is commonly called a thorn apple.
An anchusa is a plant of the genus Anchusa of rough and hairy Old World herbs with one-sided clusters of trumpet shaped flowers.
Hummingbirds eat sugar water and plant nectar.
Canivorous Yellow Trumpet Plant aka Scarracenia Flava
Either datura or Burgmansia but the two are often confused. In the Mediterranian plants that are Burgmansia species are often called datura. Common names include: Devils Trumpet and Angels Trumpet.
Morning glory (1st description) trumpet creeper (2nd)
It is an "Ixia" plant.
if i am correct the marigold has yellow flowers and has "mar" in its name.
they have either pink or yellow flowers