Why the flowers which bloom in night are white in colour?

Answer 1

Pollination of flowers happen through animals and insects.Flowers like jasmine & sepals bloom at night & get pollinated through animals & insects.

So,these flowers have special adoptation to attract insects.Have fragrant & white colour are special adoptation.In addition white colour is more visible than other colours in night.Therefore insects attracted to such flowers.

Answer 2

most night blooming flowers are pollinated by nocturnal animals or insects (moths, bats etc.) as they bloom at night they don't have to be brightly coloured and normally rely on strong scent to attract pollinators.

Answer 3

1. White stands out better in low light conditions making it easier for insects to find.

2. As they bloom at night the plant does not have to waste resources producing coloured pigments (for petals) to attract day insects (such as bees) - most night blooming flowers are pollinated by moths and bats.

3. Night blooming flowers are normally heavily scented - which acts as an attractant for nocturnal insects and mammal's.