The unopened leaves of this fern (could be the Etlingera littoralis) resemble the hairspring of a watch. Once uncurled, they will open to their mature size. The small bright green pods are densely covered with stomatal pores for rapid exchange of carbon dioxide and oxygen, a feature that allows the leaves to grow rapidly while they are opening.
Learn more about ferns in our Wild Asia@Moonriver Rainforest Conservation & Restoration programme.
(Source : Rain Forests & Cloud Forests by Sandved & Emsley)
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