Spring origami

Rory Howlett

Nature, 1998, vol. 391, issue 6668, 641-641

Abstract: Every spring, leaves unfold from tightly packed buds. But how are they packed within these buds to allow efficient expansion at the right time? A study into the geometry of unfolding, for the leaves of two species of deciduous tree, indicates that folding depends on a number of design parameters. These include the shape of the leaf, and angle at which the folds run relative to the midrib of the expanded leaf.

Date: 1998
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DOI: 10.1038/35512

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