- Pneumatophores are negative geotropic roots, growing vertically upwards out of the mud or water. - They possess pores (lenticels) on their surface that allow for gas exchange. - They contain spongy tissue (aerenchyma) that stores and transports air to the submerged roots.
Pneumatophores are specialized structures for:
Asked in UPSC Geoscientist 2020 · Topic: Plant Physiology (Stress Physiology: Responses to abiotic stresses (drought, salinity, temperature extremes, heavy metals) and biotic stresses.)
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