Dictionary of Ichthyology  

dendritic drainage system = the commonest type of drainage system comprising a main river with tributaries that themselves have tributaries. Such a system usually occurs on a gentle slope. See also annular, deranged, parallel, rectangular and trellis drainage systems..

Petrified Forest National Park, Arizona, 28 April 2006. Photograph by Brian W. Coad.

Canadian Museum of Nature
www.briancoad.com