what is the significance of bright colour and pleasant fragrance in flower
Answers
Answer:
Bright colors (or colours) and fragrance attract bees, wasps, butterflies, moths and hummingbirds. Bees like the kind of flower that affords a good landing pad. They are looking for nectar and in exchange, their hairy bodies accumulate pollen, the male contribution, which is spread to other plants of the same species.
Explanation:
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Answer:
Flowers are a beautiful addition to gardens, creating spots of color and producing scents that float on the breeze. Some gardeners choose flowers based on their colors and fragrances, inadvertently attracting other garden visitors when planted en masse. The bright colors and pleasant aromas of these plants are easy for potential pollinators to detect from far afield.
Cues for Honeybees
Bees appear to be unable to detect many wavelengths in the red color spectrum, so most flowers that are pollinated by bees tend to be yellow or blue. These flowers also carry ultraviolet nectar guide coloration that lures bees inside where their sexual organs are located. Bee-pollinated flowers generally produce a mild, fresh odor.
Cues for Butterflies
Butterfly-pollinated flowers are on the opposite end of the spectrum from bee-pollinated flowers. Since these insects see better in the red end of the spectrum, their favorite flowers are often red or orange, but can be nearly any color, with very light fragrance. The nectar of these flowers is often hidden in many small tubes.
Cues for Hummingbirds
Hummingbirds are the primary non-insect pollinators of flowering plants, with their own special flower-based cues. Since birds don't respond to olfactory signals, flowers that rely on hummingbird pollination have developed bright red or orange flowers with lots of nectar inside. Sometimes, these flowers hang upside down from the plant, but even those that are more erect are designed to allow the bird to feed in flight, with long, tubular flowers.