The world's tallest tree is the California redwood, which can easily grow up to 300 feet (91 meters) tall. That's above ground, at least. If you want to talk about the tree that reaches the greatest height above and below ground, well—South Africa's Shepherd's tree at least gives redwoods a run for their money.
Shelter From The Sun
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Amazing Plant Roots
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Key Facts In This Video
Taproots are thicker, deep-stretching plant roots, whereas fibrous roots consist of many thinner roots that stay close to the surface. 00:20
Boscia albitrunca is an African tree with roots going as deep as 68 meters. 00:53
Many plants can regenerate just from a root system. 02:06