Scalloped leaves, few marginal teeth; Blue Jay Campground, Cleveland National Forest, Riverside Co., CA. 10-31-10. © Joan Avise |
California Scrub Oak Quercus berberidifolia A shrubby tree from 4-15 ft. in height with densely packed leaves and twigs. Back to Fagaceae of Orange County, California |
Developing fruit; Tenaja Falls Trail, San Mateo Wilderness Area, Riverside Co., CA. 7-4-11. © Joan Avise |
Flat rigid leaves, developing fruit; San Juan Loop Trail, Cleveland National Forest, Riverside Co., CA.7-18-10. © Joan Avise |
Acorns mature in one season; Blue Jay Campground, Cleveland National Forest, Riverside Co., CA. 10-31-10. © Joan Avise |
Paler, slightly hairy below; Blue Jay Campground, Cleveland National Forest, Riverside Co., CA. 10-31-10. © Joan Avise |
10' shrub with densely packed leaves; Blue Jay Campground, Cleveland National Forest, Riverside Co., CA. 10-31-10. © Joan Avise |
Male catkins; Aliso +Wood Cyns. Wilderness Park, Laguna Niguel, CA. 4-18-09. © Joan Avise |
Underside of leaf showing stellate trichomes. Laguna Beach, Orange County, CA. 12-15-11. © Peter J. Bryant |
Male catkins. Wood Canyon, Aliso and Wood Canyons Wilderness Park, Orange County, CA. 3-31-12. © Peter J. Bryant |
Male catkins and female flowers (circled). Wood Canyon, Aliso and Wood Canyons Wilderness Park, Orange County, CA. 4-1-12. © Peter J. Bryant |
Female flowers (~2mm diam.). Wood Canyon, Aliso and Wood Canyons Wilderness Park, Orange County, CA. 4-1-12. © Peter J. Bryant |
Cynipidae (Gall Wasps) inducing galls on scrub oak: First row (as available), inducing wasps; second row, galls or gall types from which the corresponding wasp hatched. | ||||
Crystalline Disc Gall Wasp, Andricus crystallinus |
Disc Gall Wasp, Andricus parmula |
Oak apple Gall Wasp, Andricus quercuscalifornicus |
Antron douglasii |
PBCyn12 |
Cynips conspicuus |
Beaked Twig Gall Wasp, Disholcaspis plumbella |
Beaked Twig Gall Inquiline, Synergus sp. |
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PBCyn1 |
PBCyn2 |
PBCyn9 |
PBCyn10 |
PBCyn11 |