Photo: Diane Edwardson, August 12, 2009. Arundo on " Lot C" of the Red Car Property (to the left of the property line marker) between Riverside Drive and Adelbert. (Click on photo to enlarge.)
Arundo literally explodes when it burns. It is a giant reed, or grass, with hollow chambers in which the gases heat up, until the chamber explodes, spreading fire everywhere. It is a highly invasive weed and not appropriate for our dry, urban hillside environment.