Large, colourful, fragrant flowers with nectar are seen in:

Step-by-step solution

Insect-pollinated flowers are the flowers that are pollinated by Insects. This happens typically when insects move from plant to plant searching for food. Insect-pollinated flowers are often sweetly scented. They are large and have brightly coloured petals. They usually contain nectar- to attract insects. They have pollen grains that are often sticky and spiky so that they can stick to the legs and body of insects.