Âé¶¹´«Ã½

Life

The fastest pollen explosion on Earth

11 May 2005

WHAT has no legs, lives in the forest and accelerates with a g-force 800times greater than a rocket taking off? It’s the stamen of the bunchberry dogwood (Cornus canadensis), a ground-covering plant with a pollen-dispersion system now crowned the fastest mover of the plant world.

To record the flower’s explosive pollen propulsion, Joan Edwards at Williams College in Williamstown, Massachusetts, had to use digital recording equipment designed to film car-crash tests at 100,000 frames per second. “It’s truly amazing to watch, and so beautiful,” says Edwards. “With an acceleration of 24,000 metres per second per second, it’s much faster than many animal movements.”…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with Âé¶¹´«Ã½ events and special offers.

Sign up

To continue reading, today with our introductory offers

or

Existing subscribers

Sign in to your account
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop