<http://schema.org/about>
"Flowers and vegetables get all the attention. These low-maintenance trees provide shade, beautiful foliage and even an afternoon snack."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/your-home/organic-farming-gardening/stories/3-kinds-of-trees-to-plant-in-your-backyard>