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Sophisticated survival strategies of the annual Drosera

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Published on Aug 28, 2009

(This film awarded a 2nd prize in the ChloroFilms Video Contest 2010. Please find more information at www.ChloroFilms.org)

This footage is an excerpt from our DVD "Drosera: Snap-Tentacles and Runway Lights". It shows the sophisticated survival strategies of the annual sundews. Living a full life-cycle, from germination to flowering and seed-production, within one single season needs highly effective trapping strategies to get enough protein. The sundews in section Arachnopus, Coelophylla and Thelocalyx manage that with the most prominent and fast snap-tentacles, yellow light reflecting lens-headed tentacles and other adaptations to make as much prey as possible, and to produce seeds even under bad conditions. Our film shows several pictures of these species that have never been shown before.

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