What is pneumatophore? How do they help the plant? Name an example.
These are the roots that grow vertically upwards and come above the soil surface; they bear opening called pneumatophores, for the exchange of gases. This feature is an adaptation for plants growing in marshy/swampy areas, where oxygen is deficient in the soil. These roots help the plants to get oxygen from the air for respiration e.g., Rhizophora.
