The big-leaved crown beard is a perennial subshrub in the sunflower family (Asteraceae). It was listed as threatened in 1996, and ongoing threats to the species include destruction and modification of habitat by residential development, urbanization, as well as fuel modification activities, non-native plants and. These threats have been reduced for approximately half of the occurrences that occur within the reserve system of the Orange County Central/Coastal Habitat Conservation Plan at Aliso and Wood Canyons Wilderness Park and several recently established conservation easements held by the California Department of Fish and Wildlife, Orange County Transportation Authority, and the Coastal Conservancy. However, these threats are still potentially impacting the species.
It has widely spaced leaves and bright yellow flowers.
It is 1.5 to 3 feet tall, branching, with short hairs and is rough to the touch.
It is typically found on rugged coastal hillsides and steep canyons in dense southern maritime chaparral, but also exists as small pockets in coastal sage scrub and mixed chaparral.
If flowers between April and July, although it may be as early as February to as late as August.
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