How does a baobab store water in its trunk?
African baobab is a deciduous savanna tree adapted to seasonal drought with a thick spongy trunk.
Structure, development and life cycle
Trunk tissues can absorb water and expand in the wet season, then shrink during drought. The tree sheds leaves in the dry season to reduce transpiration. Large white flowers often open at night and animals such as bats may assist pollination. Long hard-shelled fruits contain dry powdery pulp and seeds.
Growing, uses and cautions
Water storage does not grant unlimited drought tolerance; seedling stage, soil, heat and rainfall pattern matter. Root or trunk injury can raise decay risk. Local communities use fruit and fibers in ways that vary by species and culture. Slow growth and great longevity require long time horizons in conservation.
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