When I went to Kitanomaru Park, which is located by the emperor’s palace, to take a walk, I saw many sprigs falling down from the sky as if they ware flying.
Every time the wind blew, many sprigs was sliding in the air and landing.
This is called cladoptosis. It takes form of inflorescence.
It is clear from this picture, Zelkova Serrata’s inflorecence has some leafs.
And there are some seeds between branch and leaf.
These leaves give cladoptosis a lifting force.
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