It takes just three minutes to watch this video, but it covers eight months of an oak tree's life. First, we go underground, where the plant slowly bursts from its shell, and eventually above ground, where it shoots up into a young tree.


Neil Bromhall filmed this video, and explains the timeline of the tree's growth:

The acorn was collected in September and filmed in an underground set using a 2 hour interval between exposures.

The acorn split soon after it was planted and continued to split during the winter months. In January the first sign of root growing could be seen followed in February by the emergence of shoot.

In March the shoot broke through the soil surface.

The leaves formed between March and April.

This is an example of hypogeal germination.

[via The Kid Should See This]


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