Paul Peru
05-12-2005, 12:17
The petals of the bunchberry dogwood of North America can move at 22 feet per second when they open with an explosive force.
"Bunchberry stamens are like miniature medieval trebuchets - specialised catapults that maximise throwing distance by having the payload [pollen in the anther] attached to the throwing arm [filament] by a hinge or flexible strap."
http://news.independent.co.uk/world/environment/story.jsp?story=637671
"Bunchberry stamens are like miniature medieval trebuchets - specialised catapults that maximise throwing distance by having the payload [pollen in the anther] attached to the throwing arm [filament] by a hinge or flexible strap."
http://news.independent.co.uk/world/environment/story.jsp?story=637671