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APG-Fam.: Lythraceae / Purple Loosestrife Fam.       Fam. tradit.: Trapaceae / Water-Caltrop Fam.  

Genus:  Trapa  L.
 

Authors:
   L.:  Carl von Linné (Linnaeus, 1707 - 1777), Swedish naturalist who introduced the binary naming system for plants and animals
 

Etymology:
   Trapa:   calcitrapa = mantrap (shape of fruit)
   natans:   swimming
 

Trapa natans / Water Caltrop, D Karlsruhe 29.8.2009
Fig. 1:  Trapa natans / Water Caltrop
D Karlsruhe 29.8.2009
Trapa natans / Water Caltrop, D Karlsruhe 29.8.2009
Fig. 2:  Trapa natans / Water Caltrop
D Karlsruhe 29.8.2009
Trapa natans / Water Caltrop, D Karlsruhe 15.7.2006
Fig. 3:  Trapa natans / Water Caltrop
D Karlsruhe 15.7.2006
Trapa natans / Water Caltrop, D Karlsruhe 15.7.2006
Fig. 4:  Trapa natans / Water Caltrop
D Karlsruhe 15.7.2006
Trapa natans / Water Caltrop, D Karlsruhe 15.7.2006
Fig. 5:  Trapa natans / Water Caltrop
D Karlsruhe 15.7.2006
Trapa natans / Water Caltrop, D Dettenheim-Russheim 11.9.2008
Fig. 6:  Trapa natans / Water Caltrop
D Dettenheim-Russheim 11.9.2008
Trapa natans / Water Caltrop, D Dettenheim-Russheim 11.9.2008
Fig. 7:  Trapa natans / Water Caltrop
D Dettenheim-Russheim 11.9.2008
Trapa natans / Water Caltrop, D Dettenheim-Russheim 11.9.2008
Fig. 8:  Trapa natans / Water Caltrop
D Dettenheim-Russheim 11.9.2008
Trapa natans / Water Caltrop, D Groß-Gerau 27.9.2012
Fig. 9:  Trapa natans / Water Caltrop
D Groß-Gerau 27.9.2012
Trapa natans / Water Caltrop, D Groß-Gerau 27.9.2012
Fig. 10:  Trapa natans / Water Caltrop
D Groß-Gerau 27.9.2012
Trapa natans / Water Caltrop, F Sundgau 6.10.2009
Fig. 11:  Trapa natans / Water Caltrop (older fruits found swimming in a lake)
F Sundgau 6.10.2009

 


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