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Eine Blume verhält sich wie ein Tier

Blumennesselgewächse verfügen über ein ausgeklügelten Bestäubungsmechanismus

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Podcast downloaden (70.4 MB)

Die vor allem in Südamerika vorkommenden Blumennesselgewächse sehen mit ihren farbenfrohen, kompliziert gebauten Blüten sehr attraktiv aus. Einige Arten ranken auf Baumriesen in imposante Höhen und sind wegen ihrer stark nesselnden Brennhaare gefürchtet. Doch nicht wegen ihrer gefährlichen Schönheit beeindruckt die Pflanzenfamilie die Wissenschaft, sondern wegen ihres mechanischen Bestäubungstrick.

Im Podcast erklärt Prof. Dr. Maximilian Weigend, Direktor der Botanischen Gärten der Universität Bonn, wie der Mechanismus funktioniert.

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last modified 2012-10-02 09:41

     
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