<--- previous slide
37     wind to animal dispersal
DHJanzen100981.jpg
high resolution

 

next slide --->
The tips of the Bidens fruitlets look much like small fish spears, and for the same reason - to penetrate and to hold on - at least for while.
Image to be compared with this image:

back to lecture slides
or skip to:

slide (1-72)
slide with image: