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California Matchweed Gutierrezia californica A 1-2 ft. shrubby, diffusely branched yellow-flowered perennial, named for the size of the new stems which arise from a woody base. Occasional on dry grassy hillsides at Chino Hills, West Coyote Hills, San Joaquin Hills, mountain foothills, and Santa Ana Mountains (Roberts). Fruit a hairy achene. Pappus with 10-12 chaffy scales. Some stems die back after flowering but others will flower the next season. The flowering season is long and responsive to seasonal rain (Clarke). Jepson Manual shows flowering May-November, but after rain, you can find blooms from last year's growth even in January! The plants are toxic to livestock. Back to Asteraceae of Orange County, California |
Straw-colored bracts with green tips are in three rows. Santiago Oaks Regional Park, Orange, CA. 1-29-12. © Joan Avise |
Santiago Oaks Regional Park, Orange, CA. 7-3-11. © Joan Avise |
Each inflorescence produces 8-20 top-shaped radiate flower heads about 1/4 in. long, generally solitary, but can be in groups of 2 to 3. Santiago Oaks Regional Park, Orange, CA. 7-3-11. © Joan Avise |
Santiago Oaks Regional Park, Orange, CA. 7-3-11. © Joan Avise |
Leaves are linear, 2 in. long, alternate. Santiago Oaks Regional Park, Orange, CA. 7-3-11. © Joan Avise |
Santiago Oaks Regional Park, Orange, CA. 7-3-11. © Joan Avise |
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Santiago Oaks Regional Park, Orange, CA. 7-3-11. © Joan Avise |
Peters Canyon, Orange, Orange County, CA. 5-29-2016. © Peter J. Bryant |
Peters Canyon, Orange, Orange County, CA. 5-29-2016. © Peter J. Bryant |
Peters Canyon, Orange, Orange County, CA. 5-29-2016. © Peter J. Bryant |
Peters Canyon, Orange, Orange County, CA. 5-29-2016. © Peter J. Bryant |
Santiago Oaks Regional Park, Orange County, CA. 6/20/11. © Peter J. Bryant |
Santiago Oaks Regional Park, Orange County, CA. 6/20/11. © Peter J. Bryant |