In a rare test of paternal behavior in plants, snow buttercup flowers kept from following the sun produced less-viable pollen than unfettered flowers did. Also, in maternal flowers receiving pollen, the grains germinated better if these blooms, too, were free to track the sun, according to Candace Galen of the University of Missouri in Columbia.
Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.