Indian Warrior (Pedicularis densiflora) blooms beneath its host tree, Coast Live Oak (Quercus agrifolia). Three yellow morphs are in the foreground. Western Poison Oak (Toxicodendron diversilobum) grows at the right and bottom of the image. Jasper Ridge Biological Preserve, March 15, 2008 at 1:13 pm, above Road D, between Road E and Trail 7.