What is the Morning glory ?

the morning glory flower
   The morning glory plant may be a clinging vine or a low bush. The flowers which appear in the late summer come in many colors, but blue is the most common. The blossom is in the shape of a cone or trumpet. It is an annual so seeds must be planted each year.
   The herbaceous stem of this climber may reach up 12 feet high if it has a trellis or support. It grows around the support in a touch response called thigmotropism.
   The leaves are alternate with wavy edges. The flower may be four inches wide, though one Japanese variety has been grown with eight-inch blooms. The plant should not be permitted to sow itself, as inferior plants