<http://schema.org/description>
"Ever wondered why some deciduous trees hold on to their leaves through the winter and others go bare? Learn about marcescent leaves and why they might just help a tree out..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://ecosystems.psu.edu/research/centers/private-forests/news/2012/winter-leaves-that-hang-on>