👉 The term "leptoptilus" is a genus of flowering plants in the family Rubiaceae, which belongs to the family Asteraceae. These plants are native to South America and are known for their large flowers with a single tube-like structure called the pistil. The pistils contain 10-12 white or yellow sepals, followed by 9-13 petals that are arranged in a symmetrical pattern. The flower is characterized by its large size,