Kinematographische Studien an Impatiens, Vicia, Tulipa, Mimosa und Desmodium von W. Pfeffer (1898-1900) 1940
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Plant movements in historical films by Wilhelm Pfeffers: geotropic bending of a horizontal Impatiens glandulifera; germination of Vicia faba; development and flowering in tulip, leaf movement in Mimosa speggazzinii and Desmodium gyrans.
- Released: 1940-01-01
- Runtime: 4 minutes
- Genre: Documentary
- Stars:
- Director: Wilhelm Pfeffer
![Image [plant speech]](http://cdn.statically.io/img/image.tmdb.org/f=auto/t/p/w300/oXdX1r6KszhF1RzPs6VBQRyi0Q5.jpg "Image [plant speech] (2020)")
